Home / 56,706.28-78,259.52-31,217.68

Finding the Fourth Proportional to 56,706.28, 78,259.52 and 31,217.68

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Solution

The fourth proportional to 56,706.28, 78,259.52 and 31,217.68 is: 43,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706.28 : 78,259.52 = 31,217.68 : x
  2. Step 2: Convert to fraction form
    56,706.28/78,259.52 = 31,217.68/x
  3. Step 3: Cross multiply
    56,706.28x = 78,259.52 × 31,217.68
  4. Step 4: Simplify right side
    56,706.28x = 2,443,080,652.31
  5. Step 5: Solve for x
    x = 2,443,080,652.31/56,706.28
  6. Step 6: Final answer
    x = 43,083.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.