Home / 52,066.96-78,052.62-18,779.20

Finding the Fourth Proportional to 52,066.96, 78,052.62 and 18,779.20

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Solution

The fourth proportional to 52,066.96, 78,052.62 and 18,779.20 is: 28,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.96 : 78,052.62 = 18,779.20 : x
  2. Step 2: Convert to fraction form
    52,066.96/78,052.62 = 18,779.20/x
  3. Step 3: Cross multiply
    52,066.96x = 78,052.62 × 18,779.20
  4. Step 4: Simplify right side
    52,066.96x = 1,465,765,761.50
  5. Step 5: Solve for x
    x = 1,465,765,761.50/52,066.96
  6. Step 6: Final answer
    x = 28,151.55

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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.