Home / 47,344.15-65,307.38-30,342.35

Finding the Fourth Proportional to 47,344.15, 65,307.38 and 30,342.35

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Solution

The fourth proportional to 47,344.15, 65,307.38 and 30,342.35 is: 41,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,344.15 : 65,307.38 = 30,342.35 : x
  2. Step 2: Convert to fraction form
    47,344.15/65,307.38 = 30,342.35/x
  3. Step 3: Cross multiply
    47,344.15x = 65,307.38 × 30,342.35
  4. Step 4: Simplify right side
    47,344.15x = 1,981,579,381.54
  5. Step 5: Solve for x
    x = 1,981,579,381.54/47,344.15
  6. Step 6: Final answer
    x = 41,854.79

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1.5x scale

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.