Home / 52,281.30-72,148.22-28,407.92

Finding the Fourth Proportional to 52,281.30, 72,148.22 and 28,407.92

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Solution

The fourth proportional to 52,281.30, 72,148.22 and 28,407.92 is: 39,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.30 : 72,148.22 = 28,407.92 : x
  2. Step 2: Convert to fraction form
    52,281.30/72,148.22 = 28,407.92/x
  3. Step 3: Cross multiply
    52,281.30x = 72,148.22 × 28,407.92
  4. Step 4: Simplify right side
    52,281.30x = 2,049,580,465.65
  5. Step 5: Solve for x
    x = 2,049,580,465.65/52,281.30
  6. Step 6: Final answer
    x = 39,202.94

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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.