Home / 20,023.76-30,030.98-7,545.04

Finding the Fourth Proportional to 20,023.76, 30,030.98 and 7,545.04

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Solution

The fourth proportional to 20,023.76, 30,030.98 and 7,545.04 is: 11,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.76 : 30,030.98 = 7,545.04 : x
  2. Step 2: Convert to fraction form
    20,023.76/30,030.98 = 7,545.04/x
  3. Step 3: Cross multiply
    20,023.76x = 30,030.98 × 7,545.04
  4. Step 4: Simplify right side
    20,023.76x = 226,584,945.34
  5. Step 5: Solve for x
    x = 226,584,945.34/20,023.76
  6. Step 6: Final answer
    x = 11,315.80

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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.