Home / 48,519.40-72,779.10-48,212.20

Finding the Fourth Proportional to 48,519.40, 72,779.10 and 48,212.20

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Solution

The fourth proportional to 48,519.40, 72,779.10 and 48,212.20 is: 72,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,519.40 : 72,779.10 = 48,212.20 : x
  2. Step 2: Convert to fraction form
    48,519.40/72,779.10 = 48,212.20/x
  3. Step 3: Cross multiply
    48,519.40x = 72,779.10 × 48,212.20
  4. Step 4: Simplify right side
    48,519.40x = 3,508,840,525.02
  5. Step 5: Solve for x
    x = 3,508,840,525.02/48,519.40
  6. Step 6: Final answer
    x = 72,318.30

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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.