Home / 47,377.81-65,405.06-29,478.61

Finding the Fourth Proportional to 47,377.81, 65,405.06 and 29,478.61

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Solution

The fourth proportional to 47,377.81, 65,405.06 and 29,478.61 is: 40,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.81 : 65,405.06 = 29,478.61 : x
  2. Step 2: Convert to fraction form
    47,377.81/65,405.06 = 29,478.61/x
  3. Step 3: Cross multiply
    47,377.81x = 65,405.06 × 29,478.61
  4. Step 4: Simplify right side
    47,377.81x = 1,928,050,255.77
  5. Step 5: Solve for x
    x = 1,928,050,255.77/47,377.81
  6. Step 6: Final answer
    x = 40,695.22

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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.