Home / 42,549.96-63,820.08-11,387.64

Finding the Fourth Proportional to 42,549.96, 63,820.08 and 11,387.64

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Solution

The fourth proportional to 42,549.96, 63,820.08 and 11,387.64 is: 17,080.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.96 : 63,820.08 = 11,387.64 : x
  2. Step 2: Convert to fraction form
    42,549.96/63,820.08 = 11,387.64/x
  3. Step 3: Cross multiply
    42,549.96x = 63,820.08 × 11,387.64
  4. Step 4: Simplify right side
    42,549.96x = 726,760,095.81
  5. Step 5: Solve for x
    x = 726,760,095.81/42,549.96
  6. Step 6: Final answer
    x = 17,080.16

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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.