Home / 31,534.12-47,325.66-11,830.60

Finding the Fourth Proportional to 31,534.12, 47,325.66 and 11,830.60

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Solution

The fourth proportional to 31,534.12, 47,325.66 and 11,830.60 is: 17,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.12 : 47,325.66 = 11,830.60 : x
  2. Step 2: Convert to fraction form
    31,534.12/47,325.66 = 11,830.60/x
  3. Step 3: Cross multiply
    31,534.12x = 47,325.66 × 11,830.60
  4. Step 4: Simplify right side
    31,534.12x = 559,890,953.20
  5. Step 5: Solve for x
    x = 559,890,953.20/31,534.12
  6. Step 6: Final answer
    x = 17,755.08

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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.