Home / 45,275.78-62,505.32-30,957.14

Finding the Fourth Proportional to 45,275.78, 62,505.32 and 30,957.14

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Solution

The fourth proportional to 45,275.78, 62,505.32 and 30,957.14 is: 42,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.78 : 62,505.32 = 30,957.14 : x
  2. Step 2: Convert to fraction form
    45,275.78/62,505.32 = 30,957.14/x
  3. Step 3: Cross multiply
    45,275.78x = 62,505.32 × 30,957.14
  4. Step 4: Simplify right side
    45,275.78x = 1,934,985,941.98
  5. Step 5: Solve for x
    x = 1,934,985,941.98/45,275.78
  6. Step 6: Final answer
    x = 42,737.77

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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.