Home / 40,981.64-61,444.38-14,685.80

Finding the Fourth Proportional to 40,981.64, 61,444.38 and 14,685.80

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Solution

The fourth proportional to 40,981.64, 61,444.38 and 14,685.80 is: 22,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981.64 : 61,444.38 = 14,685.80 : x
  2. Step 2: Convert to fraction form
    40,981.64/61,444.38 = 14,685.80/x
  3. Step 3: Cross multiply
    40,981.64x = 61,444.38 × 14,685.80
  4. Step 4: Simplify right side
    40,981.64x = 902,359,875.80
  5. Step 5: Solve for x
    x = 902,359,875.80/40,981.64
  6. Step 6: Final answer
    x = 22,018.64

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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.