Home / 45,026.66-67,218.54-39,123.38

Finding the Fourth Proportional to 45,026.66, 67,218.54 and 39,123.38

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Solution

The fourth proportional to 45,026.66, 67,218.54 and 39,123.38 is: 58,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,026.66 : 67,218.54 = 39,123.38 : x
  2. Step 2: Convert to fraction form
    45,026.66/67,218.54 = 39,123.38/x
  3. Step 3: Cross multiply
    45,026.66x = 67,218.54 × 39,123.38
  4. Step 4: Simplify right side
    45,026.66x = 2,629,816,483.47
  5. Step 5: Solve for x
    x = 2,629,816,483.47/45,026.66
  6. Step 6: Final answer
    x = 58,405.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.