Home / 48,513-72,730.08-21,839.40

Finding the Fourth Proportional to 48,513, 72,730.08 and 21,839.40

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Solution

The fourth proportional to 48,513, 72,730.08 and 21,839.40 is: 32,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,513 : 72,730.08 = 21,839.40 : x
  2. Step 2: Convert to fraction form
    48,513/72,730.08 = 21,839.40/x
  3. Step 3: Cross multiply
    48,513x = 72,730.08 × 21,839.40
  4. Step 4: Simplify right side
    48,513x = 1,588,381,309.15
  5. Step 5: Solve for x
    x = 1,588,381,309.15/48,513
  6. Step 6: Final answer
    x = 32,741.35

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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.