Home / 52,177.20-78,197.16-28,495.20

Finding the Fourth Proportional to 52,177.20, 78,197.16 and 28,495.20

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Solution

The fourth proportional to 52,177.20, 78,197.16 and 28,495.20 is: 42,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177.20 : 78,197.16 = 28,495.20 : x
  2. Step 2: Convert to fraction form
    52,177.20/78,197.16 = 28,495.20/x
  3. Step 3: Cross multiply
    52,177.20x = 78,197.16 × 28,495.20
  4. Step 4: Simplify right side
    52,177.20x = 2,228,243,713.63
  5. Step 5: Solve for x
    x = 2,228,243,713.63/52,177.20
  6. Step 6: Final answer
    x = 42,705.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.