Home / 31,528.07-47,299.02-9,343.18

Finding the Fourth Proportional to 31,528.07, 47,299.02 and 9,343.18

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Solution

The fourth proportional to 31,528.07, 47,299.02 and 9,343.18 is: 14,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.07 : 47,299.02 = 9,343.18 : x
  2. Step 2: Convert to fraction form
    31,528.07/47,299.02 = 9,343.18/x
  3. Step 3: Cross multiply
    31,528.07x = 47,299.02 × 9,343.18
  4. Step 4: Simplify right side
    31,528.07x = 441,923,139.44
  5. Step 5: Solve for x
    x = 441,923,139.44/31,528.07
  6. Step 6: Final answer
    x = 14,016.82

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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.