Home / 40,711.04-61,065.60-21,999.36

Finding the Fourth Proportional to 40,711.04, 61,065.60 and 21,999.36

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Solution

The fourth proportional to 40,711.04, 61,065.60 and 21,999.36 is: 32,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.04 : 61,065.60 = 21,999.36 : x
  2. Step 2: Convert to fraction form
    40,711.04/61,065.60 = 21,999.36/x
  3. Step 3: Cross multiply
    40,711.04x = 61,065.60 × 21,999.36
  4. Step 4: Simplify right side
    40,711.04x = 1,343,404,118.02
  5. Step 5: Solve for x
    x = 1,343,404,118.02/40,711.04
  6. Step 6: Final answer
    x = 32,998.52

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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.