Home / 40,962.65-61,480.59-20,985.75

Finding the Fourth Proportional to 40,962.65, 61,480.59 and 20,985.75

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Solution

The fourth proportional to 40,962.65, 61,480.59 and 20,985.75 is: 31,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,962.65 : 61,480.59 = 20,985.75 : x
  2. Step 2: Convert to fraction form
    40,962.65/61,480.59 = 20,985.75/x
  3. Step 3: Cross multiply
    40,962.65x = 61,480.59 × 20,985.75
  4. Step 4: Simplify right side
    40,962.65x = 1,290,216,262.29
  5. Step 5: Solve for x
    x = 1,290,216,262.29/40,962.65
  6. Step 6: Final answer
    x = 31,497.38

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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.