Home / 31,508.32-47,253.84-9,315.04

Finding the Fourth Proportional to 31,508.32, 47,253.84 and 9,315.04

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Solution

The fourth proportional to 31,508.32, 47,253.84 and 9,315.04 is: 13,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.32 : 47,253.84 = 9,315.04 : x
  2. Step 2: Convert to fraction form
    31,508.32/47,253.84 = 9,315.04/x
  3. Step 3: Cross multiply
    31,508.32x = 47,253.84 × 9,315.04
  4. Step 4: Simplify right side
    31,508.32x = 440,171,409.75
  5. Step 5: Solve for x
    x = 440,171,409.75/31,508.32
  6. Step 6: Final answer
    x = 13,970.01

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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.