Home / 31,435.38-47,158.90-10,376.89

Finding the Fourth Proportional to 31,435.38, 47,158.90 and 10,376.89

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Solution

The fourth proportional to 31,435.38, 47,158.90 and 10,376.89 is: 15,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.38 : 47,158.90 = 10,376.89 : x
  2. Step 2: Convert to fraction form
    31,435.38/47,158.90 = 10,376.89/x
  3. Step 3: Cross multiply
    31,435.38x = 47,158.90 × 10,376.89
  4. Step 4: Simplify right side
    31,435.38x = 489,362,573.98
  5. Step 5: Solve for x
    x = 489,362,573.98/31,435.38
  6. Step 6: Final answer
    x = 15,567.25

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1.5x scale

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.