Home / 47,344.47-65,307.81-30,342.66

Finding the Fourth Proportional to 47,344.47, 65,307.81 and 30,342.66

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Solution

The fourth proportional to 47,344.47, 65,307.81 and 30,342.66 is: 41,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,344.47 : 65,307.81 = 30,342.66 : x
  2. Step 2: Convert to fraction form
    47,344.47/65,307.81 = 30,342.66/x
  3. Step 3: Cross multiply
    47,344.47x = 65,307.81 × 30,342.66
  4. Step 4: Simplify right side
    47,344.47x = 1,981,612,674.17
  5. Step 5: Solve for x
    x = 1,981,612,674.17/47,344.47
  6. Step 6: Final answer
    x = 41,855.21

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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.