Home / 52,439.70-72,366.93-28,566.30

Finding the Fourth Proportional to 52,439.70, 72,366.93 and 28,566.30

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Solution

The fourth proportional to 52,439.70, 72,366.93 and 28,566.30 is: 39,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.70 : 72,366.93 = 28,566.30 : x
  2. Step 2: Convert to fraction form
    52,439.70/72,366.93 = 28,566.30/x
  3. Step 3: Cross multiply
    52,439.70x = 72,366.93 × 28,566.30
  4. Step 4: Simplify right side
    52,439.70x = 2,067,255,432.46
  5. Step 5: Solve for x
    x = 2,067,255,432.46/52,439.70
  6. Step 6: Final answer
    x = 39,421.57

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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.