Home / 42,411.40-63,617.25-14,331.68

Finding the Fourth Proportional to 42,411.40, 63,617.25 and 14,331.68

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Solution

The fourth proportional to 42,411.40, 63,617.25 and 14,331.68 is: 21,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,411.40 : 63,617.25 = 14,331.68 : x
  2. Step 2: Convert to fraction form
    42,411.40/63,617.25 = 14,331.68/x
  3. Step 3: Cross multiply
    42,411.40x = 63,617.25 × 14,331.68
  4. Step 4: Simplify right side
    42,411.40x = 911,742,320.93
  5. Step 5: Solve for x
    x = 911,742,320.93/42,411.40
  6. Step 6: Final answer
    x = 21,497.58

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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.