Home / 52,403.82-72,318.78-28,530.90

Finding the Fourth Proportional to 52,403.82, 72,318.78 and 28,530.90

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Solution

The fourth proportional to 52,403.82, 72,318.78 and 28,530.90 is: 39,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.82 : 72,318.78 = 28,530.90 : x
  2. Step 2: Convert to fraction form
    52,403.82/72,318.78 = 28,530.90/x
  3. Step 3: Cross multiply
    52,403.82x = 72,318.78 × 28,530.90
  4. Step 4: Simplify right side
    52,403.82x = 2,063,319,880.30
  5. Step 5: Solve for x
    x = 2,063,319,880.30/52,403.82
  6. Step 6: Final answer
    x = 39,373.46

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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.