Home / 52,164.52-78,246.42-20,999.32

Finding the Fourth Proportional to 52,164.52, 78,246.42 and 20,999.32

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Solution

The fourth proportional to 52,164.52, 78,246.42 and 20,999.32 is: 31,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.52 : 78,246.42 = 20,999.32 : x
  2. Step 2: Convert to fraction form
    52,164.52/78,246.42 = 20,999.32/x
  3. Step 3: Cross multiply
    52,164.52x = 78,246.42 × 20,999.32
  4. Step 4: Simplify right side
    52,164.52x = 1,643,121,612.43
  5. Step 5: Solve for x
    x = 1,643,121,612.43/52,164.52
  6. Step 6: Final answer
    x = 31,498.84

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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.