Home / 31,452.15-47,196.45-15,870.99

Finding the Fourth Proportional to 31,452.15, 47,196.45 and 15,870.99

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Solution

The fourth proportional to 31,452.15, 47,196.45 and 15,870.99 is: 23,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.15 : 47,196.45 = 15,870.99 : x
  2. Step 2: Convert to fraction form
    31,452.15/47,196.45 = 15,870.99/x
  3. Step 3: Cross multiply
    31,452.15x = 47,196.45 × 15,870.99
  4. Step 4: Simplify right side
    31,452.15x = 749,054,385.99
  5. Step 5: Solve for x
    x = 749,054,385.99/31,452.15
  6. Step 6: Final answer
    x = 23,815.68

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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.