Home / 56,492.28-77,957.87-30,998.57

Finding the Fourth Proportional to 56,492.28, 77,957.87 and 30,998.57

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Solution

The fourth proportional to 56,492.28, 77,957.87 and 30,998.57 is: 42,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.28 : 77,957.87 = 30,998.57 : x
  2. Step 2: Convert to fraction form
    56,492.28/77,957.87 = 30,998.57/x
  3. Step 3: Cross multiply
    56,492.28x = 77,957.87 × 30,998.57
  4. Step 4: Simplify right side
    56,492.28x = 2,416,581,945.46
  5. Step 5: Solve for x
    x = 2,416,581,945.46/56,492.28
  6. Step 6: Final answer
    x = 42,777.21

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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.