Home / 52,261.65-72,121.86-28,388.79

Finding the Fourth Proportional to 52,261.65, 72,121.86 and 28,388.79

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Solution

The fourth proportional to 52,261.65, 72,121.86 and 28,388.79 is: 39,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.65 : 72,121.86 = 28,388.79 : x
  2. Step 2: Convert to fraction form
    52,261.65/72,121.86 = 28,388.79/x
  3. Step 3: Cross multiply
    52,261.65x = 72,121.86 × 28,388.79
  4. Step 4: Simplify right side
    52,261.65x = 2,047,452,337.95
  5. Step 5: Solve for x
    x = 2,047,452,337.95/52,261.65
  6. Step 6: Final answer
    x = 39,176.96

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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.