Home / 23,479.46-35,009.76-20,871.45

Finding the Fourth Proportional to 23,479.46, 35,009.76 and 20,871.45

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Solution

The fourth proportional to 23,479.46, 35,009.76 and 20,871.45 is: 31,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.46 : 35,009.76 = 20,871.45 : x
  2. Step 2: Convert to fraction form
    23,479.46/35,009.76 = 20,871.45/x
  3. Step 3: Cross multiply
    23,479.46x = 35,009.76 × 20,871.45
  4. Step 4: Simplify right side
    23,479.46x = 730,704,455.35
  5. Step 5: Solve for x
    x = 730,704,455.35/23,479.46
  6. Step 6: Final answer
    x = 31,121.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.