Home / 30,118.64-45,205.49-15,337.76

Finding the Fourth Proportional to 30,118.64, 45,205.49 and 15,337.76

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Solution

The fourth proportional to 30,118.64, 45,205.49 and 15,337.76 is: 23,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.64 : 45,205.49 = 15,337.76 : x
  2. Step 2: Convert to fraction form
    30,118.64/45,205.49 = 15,337.76/x
  3. Step 3: Cross multiply
    30,118.64x = 45,205.49 × 15,337.76
  4. Step 4: Simplify right side
    30,118.64x = 693,350,768.62
  5. Step 5: Solve for x
    x = 693,350,768.62/30,118.64
  6. Step 6: Final answer
    x = 23,020.66

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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.