Home / 52,412.16-72,330.16-28,539.84

Finding the Fourth Proportional to 52,412.16, 72,330.16 and 28,539.84

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Solution

The fourth proportional to 52,412.16, 72,330.16 and 28,539.84 is: 39,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.16 : 72,330.16 = 28,539.84 : x
  2. Step 2: Convert to fraction form
    52,412.16/72,330.16 = 28,539.84/x
  3. Step 3: Cross multiply
    52,412.16x = 72,330.16 × 28,539.84
  4. Step 4: Simplify right side
    52,412.16x = 2,064,291,193.57
  5. Step 5: Solve for x
    x = 2,064,291,193.57/52,412.16
  6. Step 6: Final answer
    x = 39,385.73

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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.