Home / 52,312.08-72,190.62-28,438.74

Finding the Fourth Proportional to 52,312.08, 72,190.62 and 28,438.74

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Solution

The fourth proportional to 52,312.08, 72,190.62 and 28,438.74 is: 39,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.08 : 72,190.62 = 28,438.74 : x
  2. Step 2: Convert to fraction form
    52,312.08/72,190.62 = 28,438.74/x
  3. Step 3: Cross multiply
    52,312.08x = 72,190.62 × 28,438.74
  4. Step 4: Simplify right side
    52,312.08x = 2,053,010,272.62
  5. Step 5: Solve for x
    x = 2,053,010,272.62/52,312.08
  6. Step 6: Final answer
    x = 39,245.43

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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.