Home / 52,214.85-72,002.04-30,990.03

Finding the Fourth Proportional to 52,214.85, 72,002.04 and 30,990.03

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Solution

The fourth proportional to 52,214.85, 72,002.04 and 30,990.03 is: 42,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.85 : 72,002.04 = 30,990.03 : x
  2. Step 2: Convert to fraction form
    52,214.85/72,002.04 = 30,990.03/x
  3. Step 3: Cross multiply
    52,214.85x = 72,002.04 × 30,990.03
  4. Step 4: Simplify right side
    52,214.85x = 2,231,345,379.66
  5. Step 5: Solve for x
    x = 2,231,345,379.66/52,214.85
  6. Step 6: Final answer
    x = 42,733.92

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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.