Home / 53,104.15-73,275.15-30,438.97

Finding the Fourth Proportional to 53,104.15, 73,275.15 and 30,438.97

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Solution

The fourth proportional to 53,104.15, 73,275.15 and 30,438.97 is: 42,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,104.15 : 73,275.15 = 30,438.97 : x
  2. Step 2: Convert to fraction form
    53,104.15/73,275.15 = 30,438.97/x
  3. Step 3: Cross multiply
    53,104.15x = 73,275.15 × 30,438.97
  4. Step 4: Simplify right side
    53,104.15x = 2,230,420,298.34
  5. Step 5: Solve for x
    x = 2,230,420,298.34/53,104.15
  6. Step 6: Final answer
    x = 42,000.87

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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.