Home / 48,348.90-72,498.24-20,261.34

Finding the Fourth Proportional to 48,348.90, 72,498.24 and 20,261.34

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Solution

The fourth proportional to 48,348.90, 72,498.24 and 20,261.34 is: 30,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,348.90 : 72,498.24 = 20,261.34 : x
  2. Step 2: Convert to fraction form
    48,348.90/72,498.24 = 20,261.34/x
  3. Step 3: Cross multiply
    48,348.90x = 72,498.24 × 20,261.34
  4. Step 4: Simplify right side
    48,348.90x = 1,468,911,490.04
  5. Step 5: Solve for x
    x = 1,468,911,490.04/48,348.90
  6. Step 6: Final answer
    x = 30,381.49

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1.5x scale

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.