Home / 30,306.89-45,471.29-15,522.77

Finding the Fourth Proportional to 30,306.89, 45,471.29 and 15,522.77

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Solution

The fourth proportional to 30,306.89, 45,471.29 and 15,522.77 is: 23,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.89 : 45,471.29 = 15,522.77 : x
  2. Step 2: Convert to fraction form
    30,306.89/45,471.29 = 15,522.77/x
  3. Step 3: Cross multiply
    30,306.89x = 45,471.29 × 15,522.77
  4. Step 4: Simplify right side
    30,306.89x = 705,840,071.30
  5. Step 5: Solve for x
    x = 705,840,071.30/30,306.89
  6. Step 6: Final answer
    x = 23,289.76

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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.