Home / 48,128.04-72,074.34-29,415.96

Finding the Fourth Proportional to 48,128.04, 72,074.34 and 29,415.96

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Solution

The fourth proportional to 48,128.04, 72,074.34 and 29,415.96 is: 44,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.04 : 72,074.34 = 29,415.96 : x
  2. Step 2: Convert to fraction form
    48,128.04/72,074.34 = 29,415.96/x
  3. Step 3: Cross multiply
    48,128.04x = 72,074.34 × 29,415.96
  4. Step 4: Simplify right side
    48,128.04x = 2,120,135,902.47
  5. Step 5: Solve for x
    x = 2,120,135,902.47/48,128.04
  6. Step 6: Final answer
    x = 44,051.99

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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.