Home / 31,900.08-47,832.12-15,264.12

Finding the Fourth Proportional to 31,900.08, 47,832.12 and 15,264.12

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Solution

The fourth proportional to 31,900.08, 47,832.12 and 15,264.12 is: 22,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900.08 : 47,832.12 = 15,264.12 : x
  2. Step 2: Convert to fraction form
    31,900.08/47,832.12 = 15,264.12/x
  3. Step 3: Cross multiply
    31,900.08x = 47,832.12 × 15,264.12
  4. Step 4: Simplify right side
    31,900.08x = 730,115,219.53
  5. Step 5: Solve for x
    x = 730,115,219.53/31,900.08
  6. Step 6: Final answer
    x = 22,887.57

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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.