Home / 37,439.09-56,154.78-12,476.45

Finding the Fourth Proportional to 37,439.09, 56,154.78 and 12,476.45

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Solution

The fourth proportional to 37,439.09, 56,154.78 and 12,476.45 is: 18,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,439.09 : 56,154.78 = 12,476.45 : x
  2. Step 2: Convert to fraction form
    37,439.09/56,154.78 = 12,476.45/x
  3. Step 3: Cross multiply
    37,439.09x = 56,154.78 × 12,476.45
  4. Step 4: Simplify right side
    37,439.09x = 700,612,024.16
  5. Step 5: Solve for x
    x = 700,612,024.16/37,439.09
  6. Step 6: Final answer
    x = 18,713.39

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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.