Home / 31,349.15-47,302.99-30,134.03

Finding the Fourth Proportional to 31,349.15, 47,302.99 and 30,134.03

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Solution

The fourth proportional to 31,349.15, 47,302.99 and 30,134.03 is: 45,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.15 : 47,302.99 = 30,134.03 : x
  2. Step 2: Convert to fraction form
    31,349.15/47,302.99 = 30,134.03/x
  3. Step 3: Cross multiply
    31,349.15x = 47,302.99 × 30,134.03
  4. Step 4: Simplify right side
    31,349.15x = 1,425,429,719.75
  5. Step 5: Solve for x
    x = 1,425,429,719.75/31,349.15
  6. Step 6: Final answer
    x = 45,469.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.