Home / 43,009.38-64,475.12-15,300.90

Finding the Fourth Proportional to 43,009.38, 64,475.12 and 15,300.90

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Solution

The fourth proportional to 43,009.38, 64,475.12 and 15,300.90 is: 22,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.38 : 64,475.12 = 15,300.90 : x
  2. Step 2: Convert to fraction form
    43,009.38/64,475.12 = 15,300.90/x
  3. Step 3: Cross multiply
    43,009.38x = 64,475.12 × 15,300.90
  4. Step 4: Simplify right side
    43,009.38x = 986,527,401.86
  5. Step 5: Solve for x
    x = 986,527,401.86/43,009.38
  6. Step 6: Final answer
    x = 22,937.49

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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.