Home / 52,290.32-72,161.10-28,416.99

Finding the Fourth Proportional to 52,290.32, 72,161.10 and 28,416.99

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Solution

The fourth proportional to 52,290.32, 72,161.10 and 28,416.99 is: 39,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.32 : 72,161.10 = 28,416.99 : x
  2. Step 2: Convert to fraction form
    52,290.32/72,161.10 = 28,416.99/x
  3. Step 3: Cross multiply
    52,290.32x = 72,161.10 × 28,416.99
  4. Step 4: Simplify right side
    52,290.32x = 2,050,601,115.00
  5. Step 5: Solve for x
    x = 2,050,601,115.00/52,290.32
  6. Step 6: Final answer
    x = 39,215.70

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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.