Home / 52,117.92-71,920.98-30,884.58

Finding the Fourth Proportional to 52,117.92, 71,920.98 and 30,884.58

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Solution

The fourth proportional to 52,117.92, 71,920.98 and 30,884.58 is: 42,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117.92 : 71,920.98 = 30,884.58 : x
  2. Step 2: Convert to fraction form
    52,117.92/71,920.98 = 30,884.58/x
  3. Step 3: Cross multiply
    52,117.92x = 71,920.98 × 30,884.58
  4. Step 4: Simplify right side
    52,117.92x = 2,221,249,260.49
  5. Step 5: Solve for x
    x = 2,221,249,260.49/52,117.92
  6. Step 6: Final answer
    x = 42,619.68

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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.