Home / 29,979.11-44,968.80-7,790.91

Finding the Fourth Proportional to 29,979.11, 44,968.80 and 7,790.91

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Solution

The fourth proportional to 29,979.11, 44,968.80 and 7,790.91 is: 11,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.11 : 44,968.80 = 7,790.91 : x
  2. Step 2: Convert to fraction form
    29,979.11/44,968.80 = 7,790.91/x
  3. Step 3: Cross multiply
    29,979.11x = 44,968.80 × 7,790.91
  4. Step 4: Simplify right side
    29,979.11x = 350,347,873.61
  5. Step 5: Solve for x
    x = 350,347,873.61/29,979.11
  6. Step 6: Final answer
    x = 11,686.40

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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.