Home / 31,739.85-47,621.93-14,197.07

Finding the Fourth Proportional to 31,739.85, 47,621.93 and 14,197.07

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Solution

The fourth proportional to 31,739.85, 47,621.93 and 14,197.07 is: 21,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.85 : 47,621.93 = 14,197.07 : x
  2. Step 2: Convert to fraction form
    31,739.85/47,621.93 = 14,197.07/x
  3. Step 3: Cross multiply
    31,739.85x = 47,621.93 × 14,197.07
  4. Step 4: Simplify right side
    31,739.85x = 676,091,921.81
  5. Step 5: Solve for x
    x = 676,091,921.81/31,739.85
  6. Step 6: Final answer
    x = 21,301.04

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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.