Home / 37,787.60-56,681.40-37,139.60

Finding the Fourth Proportional to 37,787.60, 56,681.40 and 37,139.60

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Solution

The fourth proportional to 37,787.60, 56,681.40 and 37,139.60 is: 55,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.60 : 56,681.40 = 37,139.60 : x
  2. Step 2: Convert to fraction form
    37,787.60/56,681.40 = 37,139.60/x
  3. Step 3: Cross multiply
    37,787.60x = 56,681.40 × 37,139.60
  4. Step 4: Simplify right side
    37,787.60x = 2,105,124,523.44
  5. Step 5: Solve for x
    x = 2,105,124,523.44/37,787.60
  6. Step 6: Final answer
    x = 55,709.40

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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.