Home / 64,677.45-89,253.71-36,001.76

Finding the Fourth Proportional to 64,677.45, 89,253.71 and 36,001.76

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Solution

The fourth proportional to 64,677.45, 89,253.71 and 36,001.76 is: 49,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.45 : 89,253.71 = 36,001.76 : x
  2. Step 2: Convert to fraction form
    64,677.45/89,253.71 = 36,001.76/x
  3. Step 3: Cross multiply
    64,677.45x = 89,253.71 × 36,001.76
  4. Step 4: Simplify right side
    64,677.45x = 3,213,290,646.53
  5. Step 5: Solve for x
    x = 3,213,290,646.53/64,677.45
  6. Step 6: Final answer
    x = 49,681.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.