Home / 54,662.08-75,407.90-31,987.16

Finding the Fourth Proportional to 54,662.08, 75,407.90 and 31,987.16

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Solution

The fourth proportional to 54,662.08, 75,407.90 and 31,987.16 is: 44,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,662.08 : 75,407.90 = 31,987.16 : x
  2. Step 2: Convert to fraction form
    54,662.08/75,407.90 = 31,987.16/x
  3. Step 3: Cross multiply
    54,662.08x = 75,407.90 × 31,987.16
  4. Step 4: Simplify right side
    54,662.08x = 2,412,084,591.15
  5. Step 5: Solve for x
    x = 2,412,084,591.15/54,662.08
  6. Step 6: Final answer
    x = 44,127.20

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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.