Home / 52,294.11-72,166.34-28,420.84

Finding the Fourth Proportional to 52,294.11, 72,166.34 and 28,420.84

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Solution

The fourth proportional to 52,294.11, 72,166.34 and 28,420.84 is: 39,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.11 : 72,166.34 = 28,420.84 : x
  2. Step 2: Convert to fraction form
    52,294.11/72,166.34 = 28,420.84/x
  3. Step 3: Cross multiply
    52,294.11x = 72,166.34 × 28,420.84
  4. Step 4: Simplify right side
    52,294.11x = 2,051,028,002.53
  5. Step 5: Solve for x
    x = 2,051,028,002.53/52,294.11
  6. Step 6: Final answer
    x = 39,221.01

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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.