Home / 57,420.59-86,125.32-17,439.93

Finding the Fourth Proportional to 57,420.59, 86,125.32 and 17,439.93

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Solution

The fourth proportional to 57,420.59, 86,125.32 and 17,439.93 is: 26,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.59 : 86,125.32 = 17,439.93 : x
  2. Step 2: Convert to fraction form
    57,420.59/86,125.32 = 17,439.93/x
  3. Step 3: Cross multiply
    57,420.59x = 86,125.32 × 17,439.93
  4. Step 4: Simplify right side
    57,420.59x = 1,502,019,552.03
  5. Step 5: Solve for x
    x = 1,502,019,552.03/57,420.59
  6. Step 6: Final answer
    x = 26,158.21

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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.