Home / 34,355.02-47,406.08-20,017.88

Finding the Fourth Proportional to 34,355.02, 47,406.08 and 20,017.88

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Solution

The fourth proportional to 34,355.02, 47,406.08 and 20,017.88 is: 27,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,355.02 : 47,406.08 = 20,017.88 : x
  2. Step 2: Convert to fraction form
    34,355.02/47,406.08 = 20,017.88/x
  3. Step 3: Cross multiply
    34,355.02x = 47,406.08 × 20,017.88
  4. Step 4: Simplify right side
    34,355.02x = 948,969,220.71
  5. Step 5: Solve for x
    x = 948,969,220.71/34,355.02
  6. Step 6: Final answer
    x = 27,622.43

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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.