Home / 52,655.43-78,988.10-19,376.13

Finding the Fourth Proportional to 52,655.43, 78,988.10 and 19,376.13

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Solution

The fourth proportional to 52,655.43, 78,988.10 and 19,376.13 is: 29,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,655.43 : 78,988.10 = 19,376.13 : x
  2. Step 2: Convert to fraction form
    52,655.43/78,988.10 = 19,376.13/x
  3. Step 3: Cross multiply
    52,655.43x = 78,988.10 × 19,376.13
  4. Step 4: Simplify right side
    52,655.43x = 1,530,483,597.17
  5. Step 5: Solve for x
    x = 1,530,483,597.17/52,655.43
  6. Step 6: Final answer
    x = 29,066.02

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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.