Home / 40,966.83-61,429.59-15,987.65

Finding the Fourth Proportional to 40,966.83, 61,429.59 and 15,987.65

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Solution

The fourth proportional to 40,966.83, 61,429.59 and 15,987.65 is: 23,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.83 : 61,429.59 = 15,987.65 : x
  2. Step 2: Convert to fraction form
    40,966.83/61,429.59 = 15,987.65/x
  3. Step 3: Cross multiply
    40,966.83x = 61,429.59 × 15,987.65
  4. Step 4: Simplify right side
    40,966.83x = 982,114,477.42
  5. Step 5: Solve for x
    x = 982,114,477.42/40,966.83
  6. Step 6: Final answer
    x = 23,973.41

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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.