Home / 51,720.13-71,373.84-29,364.13

Finding the Fourth Proportional to 51,720.13, 71,373.84 and 29,364.13

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Solution

The fourth proportional to 51,720.13, 71,373.84 and 29,364.13 is: 40,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.13 : 71,373.84 = 29,364.13 : x
  2. Step 2: Convert to fraction form
    51,720.13/71,373.84 = 29,364.13/x
  3. Step 3: Cross multiply
    51,720.13x = 71,373.84 × 29,364.13
  4. Step 4: Simplify right side
    51,720.13x = 2,095,830,359.49
  5. Step 5: Solve for x
    x = 2,095,830,359.49/51,720.13
  6. Step 6: Final answer
    x = 40,522.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.