Home / 40,942.02-61,421.67-13,259.46

Finding the Fourth Proportional to 40,942.02, 61,421.67 and 13,259.46

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Solution

The fourth proportional to 40,942.02, 61,421.67 and 13,259.46 is: 19,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.02 : 61,421.67 = 13,259.46 : x
  2. Step 2: Convert to fraction form
    40,942.02/61,421.67 = 13,259.46/x
  3. Step 3: Cross multiply
    40,942.02x = 61,421.67 × 13,259.46
  4. Step 4: Simplify right side
    40,942.02x = 814,418,176.50
  5. Step 5: Solve for x
    x = 814,418,176.50/40,942.02
  6. Step 6: Final answer
    x = 19,891.99

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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.