Home / 54,434.08-75,117.10-30,561.76

Finding the Fourth Proportional to 54,434.08, 75,117.10 and 30,561.76

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Solution

The fourth proportional to 54,434.08, 75,117.10 and 30,561.76 is: 42,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434.08 : 75,117.10 = 30,561.76 : x
  2. Step 2: Convert to fraction form
    54,434.08/75,117.10 = 30,561.76/x
  3. Step 3: Cross multiply
    54,434.08x = 75,117.10 × 30,561.76
  4. Step 4: Simplify right side
    54,434.08x = 2,295,710,348.40
  5. Step 5: Solve for x
    x = 2,295,710,348.40/54,434.08
  6. Step 6: Final answer
    x = 42,174.14

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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.