Home / 52,420.20-72,341.02-28,546.88

Finding the Fourth Proportional to 52,420.20, 72,341.02 and 28,546.88

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Solution

The fourth proportional to 52,420.20, 72,341.02 and 28,546.88 is: 39,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.20 : 72,341.02 = 28,546.88 : x
  2. Step 2: Convert to fraction form
    52,420.20/72,341.02 = 28,546.88/x
  3. Step 3: Cross multiply
    52,420.20x = 72,341.02 × 28,546.88
  4. Step 4: Simplify right side
    52,420.20x = 2,065,110,091.00
  5. Step 5: Solve for x
    x = 2,065,110,091.00/52,420.20
  6. Step 6: Final answer
    x = 39,395.31

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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.