Home / 42,358.66-63,539.62-14,280.02

Finding the Fourth Proportional to 42,358.66, 63,539.62 and 14,280.02

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Solution

The fourth proportional to 42,358.66, 63,539.62 and 14,280.02 is: 21,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,358.66 : 63,539.62 = 14,280.02 : x
  2. Step 2: Convert to fraction form
    42,358.66/63,539.62 = 14,280.02/x
  3. Step 3: Cross multiply
    42,358.66x = 63,539.62 × 14,280.02
  4. Step 4: Simplify right side
    42,358.66x = 907,347,044.39
  5. Step 5: Solve for x
    x = 907,347,044.39/42,358.66
  6. Step 6: Final answer
    x = 21,420.58

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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.