Home / 30,001.80-45,002.70-26,632.20

Finding the Fourth Proportional to 30,001.80, 45,002.70 and 26,632.20

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Solution

The fourth proportional to 30,001.80, 45,002.70 and 26,632.20 is: 39,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.80 : 45,002.70 = 26,632.20 : x
  2. Step 2: Convert to fraction form
    30,001.80/45,002.70 = 26,632.20/x
  3. Step 3: Cross multiply
    30,001.80x = 45,002.70 × 26,632.20
  4. Step 4: Simplify right side
    30,001.80x = 1,198,520,906.94
  5. Step 5: Solve for x
    x = 1,198,520,906.94/30,001.80
  6. Step 6: Final answer
    x = 39,948.30

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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.