Home / 39,002.64-58,490.16-12,702.48

Finding the Fourth Proportional to 39,002.64, 58,490.16 and 12,702.48

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Solution

The fourth proportional to 39,002.64, 58,490.16 and 12,702.48 is: 19,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.64 : 58,490.16 = 12,702.48 : x
  2. Step 2: Convert to fraction form
    39,002.64/58,490.16 = 12,702.48/x
  3. Step 3: Cross multiply
    39,002.64x = 58,490.16 × 12,702.48
  4. Step 4: Simplify right side
    39,002.64x = 742,970,087.60
  5. Step 5: Solve for x
    x = 742,970,087.60/39,002.64
  6. Step 6: Final answer
    x = 19,049.23

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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.