Home / 31,528.19-47,299.21-9,343.31

Finding the Fourth Proportional to 31,528.19, 47,299.21 and 9,343.31

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Solution

The fourth proportional to 31,528.19, 47,299.21 and 9,343.31 is: 14,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.19 : 47,299.21 = 9,343.31 : x
  2. Step 2: Convert to fraction form
    31,528.19/47,299.21 = 9,343.31/x
  3. Step 3: Cross multiply
    31,528.19x = 47,299.21 × 9,343.31
  4. Step 4: Simplify right side
    31,528.19x = 441,930,898.57
  5. Step 5: Solve for x
    x = 441,930,898.57/31,528.19
  6. Step 6: Final answer
    x = 14,017.01

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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.