Home / 31,527.60-47,290.80-8,153.52

Finding the Fourth Proportional to 31,527.60, 47,290.80 and 8,153.52

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Solution

The fourth proportional to 31,527.60, 47,290.80 and 8,153.52 is: 12,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.60 : 47,290.80 = 8,153.52 : x
  2. Step 2: Convert to fraction form
    31,527.60/47,290.80 = 8,153.52/x
  3. Step 3: Cross multiply
    31,527.60x = 47,290.80 × 8,153.52
  4. Step 4: Simplify right side
    31,527.60x = 385,586,483.62
  5. Step 5: Solve for x
    x = 385,586,483.62/31,527.60
  6. Step 6: Final answer
    x = 12,230.12

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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.