Home / 31,908.56-47,862.86-13,168.01

Finding the Fourth Proportional to 31,908.56, 47,862.86 and 13,168.01

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Solution

The fourth proportional to 31,908.56, 47,862.86 and 13,168.01 is: 19,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.56 : 47,862.86 = 13,168.01 : x
  2. Step 2: Convert to fraction form
    31,908.56/47,862.86 = 13,168.01/x
  3. Step 3: Cross multiply
    31,908.56x = 47,862.86 × 13,168.01
  4. Step 4: Simplify right side
    31,908.56x = 630,258,313.95
  5. Step 5: Solve for x
    x = 630,258,313.95/31,908.56
  6. Step 6: Final answer
    x = 19,752.02

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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.