Home / 31,894.24-47,841.20-9,707.60

Finding the Fourth Proportional to 31,894.24, 47,841.20 and 9,707.60

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Solution

The fourth proportional to 31,894.24, 47,841.20 and 9,707.60 is: 14,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.24 : 47,841.20 = 9,707.60 : x
  2. Step 2: Convert to fraction form
    31,894.24/47,841.20 = 9,707.60/x
  3. Step 3: Cross multiply
    31,894.24x = 47,841.20 × 9,707.60
  4. Step 4: Simplify right side
    31,894.24x = 464,423,233.12
  5. Step 5: Solve for x
    x = 464,423,233.12/31,894.24
  6. Step 6: Final answer
    x = 14,561.35

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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.