Home / 34,654.80-47,831.04-21,899.87

Finding the Fourth Proportional to 34,654.80, 47,831.04 and 21,899.87

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Solution

The fourth proportional to 34,654.80, 47,831.04 and 21,899.87 is: 30,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.80 : 47,831.04 = 21,899.87 : x
  2. Step 2: Convert to fraction form
    34,654.80/47,831.04 = 21,899.87/x
  3. Step 3: Cross multiply
    34,654.80x = 47,831.04 × 21,899.87
  4. Step 4: Simplify right side
    34,654.80x = 1,047,493,209.31
  5. Step 5: Solve for x
    x = 1,047,493,209.31/34,654.80
  6. Step 6: Final answer
    x = 30,226.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.