Home / 34,421.80-51,642.30-16,892.20

Finding the Fourth Proportional to 34,421.80, 51,642.30 and 16,892.20

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Solution

The fourth proportional to 34,421.80, 51,642.30 and 16,892.20 is: 25,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.80 : 51,642.30 = 16,892.20 : x
  2. Step 2: Convert to fraction form
    34,421.80/51,642.30 = 16,892.20/x
  3. Step 3: Cross multiply
    34,421.80x = 51,642.30 × 16,892.20
  4. Step 4: Simplify right side
    34,421.80x = 872,352,060.06
  5. Step 5: Solve for x
    x = 872,352,060.06/34,421.80
  6. Step 6: Final answer
    x = 25,343.01

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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.