Home / 52,164.90-71,987.54-28,291.50

Finding the Fourth Proportional to 52,164.90, 71,987.54 and 28,291.50

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Solution

The fourth proportional to 52,164.90, 71,987.54 and 28,291.50 is: 39,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.90 : 71,987.54 = 28,291.50 : x
  2. Step 2: Convert to fraction form
    52,164.90/71,987.54 = 28,291.50/x
  3. Step 3: Cross multiply
    52,164.90x = 71,987.54 × 28,291.50
  4. Step 4: Simplify right side
    52,164.90x = 2,036,635,346.45
  5. Step 5: Solve for x
    x = 2,036,635,346.45/52,164.90
  6. Step 6: Final answer
    x = 39,042.26

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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.