Home / 40,989.76-61,490-14,697.44

Finding the Fourth Proportional to 40,989.76, 61,490 and 14,697.44

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Solution

The fourth proportional to 40,989.76, 61,490 and 14,697.44 is: 22,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.76 : 61,490 = 14,697.44 : x
  2. Step 2: Convert to fraction form
    40,989.76/61,490 = 14,697.44/x
  3. Step 3: Cross multiply
    40,989.76x = 61,490 × 14,697.44
  4. Step 4: Simplify right side
    40,989.76x = 903,745,585.60
  5. Step 5: Solve for x
    x = 903,745,585.60/40,989.76
  6. Step 6: Final answer
    x = 22,048.08

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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.