Home / 40,705.20-61,055.64-13,001.04

Finding the Fourth Proportional to 40,705.20, 61,055.64 and 13,001.04

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Solution

The fourth proportional to 40,705.20, 61,055.64 and 13,001.04 is: 19,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,705.20 : 61,055.64 = 13,001.04 : x
  2. Step 2: Convert to fraction form
    40,705.20/61,055.64 = 13,001.04/x
  3. Step 3: Cross multiply
    40,705.20x = 61,055.64 × 13,001.04
  4. Step 4: Simplify right side
    40,705.20x = 793,786,817.87
  5. Step 5: Solve for x
    x = 793,786,817.87/40,705.20
  6. Step 6: Final answer
    x = 19,500.87

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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.