Home / 72,267.26-108,417.38-38,986.56

Finding the Fourth Proportional to 72,267.26, 108,417.38 and 38,986.56

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Solution

The fourth proportional to 72,267.26, 108,417.38 and 38,986.56 is: 58,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.26 : 108,417.38 = 38,986.56 : x
  2. Step 2: Convert to fraction form
    72,267.26/108,417.38 = 38,986.56/x
  3. Step 3: Cross multiply
    72,267.26x = 108,417.38 × 38,986.56
  4. Step 4: Simplify right side
    72,267.26x = 4,226,820,495.48
  5. Step 5: Solve for x
    x = 4,226,820,495.48/72,267.26
  6. Step 6: Final answer
    x = 58,488.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.