Home / 39,242.42-58,821.71-28,543.13

Finding the Fourth Proportional to 39,242.42, 58,821.71 and 28,543.13

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Solution

The fourth proportional to 39,242.42, 58,821.71 and 28,543.13 is: 42,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.42 : 58,821.71 = 28,543.13 : x
  2. Step 2: Convert to fraction form
    39,242.42/58,821.71 = 28,543.13/x
  3. Step 3: Cross multiply
    39,242.42x = 58,821.71 × 28,543.13
  4. Step 4: Simplify right side
    39,242.42x = 1,678,955,278.53
  5. Step 5: Solve for x
    x = 1,678,955,278.53/39,242.42
  6. Step 6: Final answer
    x = 42,784.20

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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.