Home / 40,070.10-55,294.44-21,917.22

Finding the Fourth Proportional to 40,070.10, 55,294.44 and 21,917.22

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Solution

The fourth proportional to 40,070.10, 55,294.44 and 21,917.22 is: 30,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.10 : 55,294.44 = 21,917.22 : x
  2. Step 2: Convert to fraction form
    40,070.10/55,294.44 = 21,917.22/x
  3. Step 3: Cross multiply
    40,070.10x = 55,294.44 × 21,917.22
  4. Step 4: Simplify right side
    40,070.10x = 1,211,900,406.26
  5. Step 5: Solve for x
    x = 1,211,900,406.26/40,070.10
  6. Step 6: Final answer
    x = 30,244.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.