Home / 56,331.02-77,646.66-38,176.22

Finding the Fourth Proportional to 56,331.02, 77,646.66 and 38,176.22

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Solution

The fourth proportional to 56,331.02, 77,646.66 and 38,176.22 is: 52,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,331.02 : 77,646.66 = 38,176.22 : x
  2. Step 2: Convert to fraction form
    56,331.02/77,646.66 = 38,176.22/x
  3. Step 3: Cross multiply
    56,331.02x = 77,646.66 × 38,176.22
  4. Step 4: Simplify right side
    56,331.02x = 2,964,255,974.43
  5. Step 5: Solve for x
    x = 2,964,255,974.43/56,331.02
  6. Step 6: Final answer
    x = 52,622.09

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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.