Home / 47,549.30-71,348.48-20,913.93

Finding the Fourth Proportional to 47,549.30, 71,348.48 and 20,913.93

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Solution

The fourth proportional to 47,549.30, 71,348.48 and 20,913.93 is: 31,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,549.30 : 71,348.48 = 20,913.93 : x
  2. Step 2: Convert to fraction form
    47,549.30/71,348.48 = 20,913.93/x
  3. Step 3: Cross multiply
    47,549.30x = 71,348.48 × 20,913.93
  4. Step 4: Simplify right side
    47,549.30x = 1,492,177,090.18
  5. Step 5: Solve for x
    x = 1,492,177,090.18/47,549.30
  6. Step 6: Final answer
    x = 31,381.69

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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.