Home / 49,641.90-74,468.28-21,542.64

Finding the Fourth Proportional to 49,641.90, 74,468.28 and 21,542.64

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Solution

The fourth proportional to 49,641.90, 74,468.28 and 21,542.64 is: 32,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,641.90 : 74,468.28 = 21,542.64 : x
  2. Step 2: Convert to fraction form
    49,641.90/74,468.28 = 21,542.64/x
  3. Step 3: Cross multiply
    49,641.90x = 74,468.28 × 21,542.64
  4. Step 4: Simplify right side
    49,641.90x = 1,604,243,347.46
  5. Step 5: Solve for x
    x = 1,604,243,347.46/49,641.90
  6. Step 6: Final answer
    x = 32,316.32

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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.