Home / 45,447.08-62,681.70-40,347.97

Finding the Fourth Proportional to 45,447.08, 62,681.70 and 40,347.97

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Solution

The fourth proportional to 45,447.08, 62,681.70 and 40,347.97 is: 55,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.08 : 62,681.70 = 40,347.97 : x
  2. Step 2: Convert to fraction form
    45,447.08/62,681.70 = 40,347.97/x
  3. Step 3: Cross multiply
    45,447.08x = 62,681.70 × 40,347.97
  4. Step 4: Simplify right side
    45,447.08x = 2,529,079,471.38
  5. Step 5: Solve for x
    x = 2,529,079,471.38/45,447.08
  6. Step 6: Final answer
    x = 55,648.89

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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.