Home / 42,347.10-63,561.68-22,639.52

Finding the Fourth Proportional to 42,347.10, 63,561.68 and 22,639.52

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Solution

The fourth proportional to 42,347.10, 63,561.68 and 22,639.52 is: 33,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.10 : 63,561.68 = 22,639.52 : x
  2. Step 2: Convert to fraction form
    42,347.10/63,561.68 = 22,639.52/x
  3. Step 3: Cross multiply
    42,347.10x = 63,561.68 × 22,639.52
  4. Step 4: Simplify right side
    42,347.10x = 1,439,005,925.59
  5. Step 5: Solve for x
    x = 1,439,005,925.59/42,347.10
  6. Step 6: Final answer
    x = 33,981.22

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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.