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Finding the Fourth Proportional to 48,224.88, 72,348.53 and 14,943.20

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Solution

The fourth proportional to 48,224.88, 72,348.53 and 14,943.20 is: 22,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,224.88 : 72,348.53 = 14,943.20 : x
  2. Step 2: Convert to fraction form
    48,224.88/72,348.53 = 14,943.20/x
  3. Step 3: Cross multiply
    48,224.88x = 72,348.53 × 14,943.20
  4. Step 4: Simplify right side
    48,224.88x = 1,081,118,117.04
  5. Step 5: Solve for x
    x = 1,081,118,117.04/48,224.88
  6. Step 6: Final answer
    x = 22,418.26

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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.