Home / 31,435.19-47,158.62-10,376.70

Finding the Fourth Proportional to 31,435.19, 47,158.62 and 10,376.70

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Solution

The fourth proportional to 31,435.19, 47,158.62 and 10,376.70 is: 15,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.19 : 47,158.62 = 10,376.70 : x
  2. Step 2: Convert to fraction form
    31,435.19/47,158.62 = 10,376.70/x
  3. Step 3: Cross multiply
    31,435.19x = 47,158.62 × 10,376.70
  4. Step 4: Simplify right side
    31,435.19x = 489,350,852.15
  5. Step 5: Solve for x
    x = 489,350,852.15/31,435.19
  6. Step 6: Final answer
    x = 15,566.97

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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.