Home / 45,340.60-62,545.38-28,957.24

Finding the Fourth Proportional to 45,340.60, 62,545.38 and 28,957.24

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Solution

The fourth proportional to 45,340.60, 62,545.38 and 28,957.24 is: 39,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340.60 : 62,545.38 = 28,957.24 : x
  2. Step 2: Convert to fraction form
    45,340.60/62,545.38 = 28,957.24/x
  3. Step 3: Cross multiply
    45,340.60x = 62,545.38 × 28,957.24
  4. Step 4: Simplify right side
    45,340.60x = 1,811,141,579.55
  5. Step 5: Solve for x
    x = 1,811,141,579.55/45,340.60
  6. Step 6: Final answer
    x = 39,945.25

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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.