Home / 31,438.83-47,148.23-10,374.95

Finding the Fourth Proportional to 31,438.83, 47,148.23 and 10,374.95

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Solution

The fourth proportional to 31,438.83, 47,148.23 and 10,374.95 is: 15,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.83 : 47,148.23 = 10,374.95 : x
  2. Step 2: Convert to fraction form
    31,438.83/47,148.23 = 10,374.95/x
  3. Step 3: Cross multiply
    31,438.83x = 47,148.23 × 10,374.95
  4. Step 4: Simplify right side
    31,438.83x = 489,160,528.84
  5. Step 5: Solve for x
    x = 489,160,528.84/31,438.83
  6. Step 6: Final answer
    x = 15,559.12

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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.