Home / 37,787.85-56,681.78-31,955.85

Finding the Fourth Proportional to 37,787.85, 56,681.78 and 31,955.85

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Solution

The fourth proportional to 37,787.85, 56,681.78 and 31,955.85 is: 47,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.85 : 56,681.78 = 31,955.85 : x
  2. Step 2: Convert to fraction form
    37,787.85/56,681.78 = 31,955.85/x
  3. Step 3: Cross multiply
    37,787.85x = 56,681.78 × 31,955.85
  4. Step 4: Simplify right side
    37,787.85x = 1,811,314,299.63
  5. Step 5: Solve for x
    x = 1,811,314,299.63/37,787.85
  6. Step 6: Final answer
    x = 47,933.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.