Home / 42,507.47-63,705.84-26,490.42

Finding the Fourth Proportional to 42,507.47, 63,705.84 and 26,490.42

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Solution

The fourth proportional to 42,507.47, 63,705.84 and 26,490.42 is: 39,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.47 : 63,705.84 = 26,490.42 : x
  2. Step 2: Convert to fraction form
    42,507.47/63,705.84 = 26,490.42/x
  3. Step 3: Cross multiply
    42,507.47x = 63,705.84 × 26,490.42
  4. Step 4: Simplify right side
    42,507.47x = 1,687,594,458.05
  5. Step 5: Solve for x
    x = 1,687,594,458.05/42,507.47
  6. Step 6: Final answer
    x = 39,701.13

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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.