Home / 30,545.10-42,176.30-27,548.91

Finding the Fourth Proportional to 30,545.10, 42,176.30 and 27,548.91

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Solution

The fourth proportional to 30,545.10, 42,176.30 and 27,548.91 is: 38,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.10 : 42,176.30 = 27,548.91 : x
  2. Step 2: Convert to fraction form
    30,545.10/42,176.30 = 27,548.91/x
  3. Step 3: Cross multiply
    30,545.10x = 42,176.30 × 27,548.91
  4. Step 4: Simplify right side
    30,545.10x = 1,161,910,955.09
  5. Step 5: Solve for x
    x = 1,161,910,955.09/30,545.10
  6. Step 6: Final answer
    x = 38,039.19

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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.