Home / 40,113.04-55,355.16-22,207

Finding the Fourth Proportional to 40,113.04, 55,355.16 and 22,207

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Solution

The fourth proportional to 40,113.04, 55,355.16 and 22,207 is: 30,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.04 : 55,355.16 = 22,207 : x
  2. Step 2: Convert to fraction form
    40,113.04/55,355.16 = 22,207/x
  3. Step 3: Cross multiply
    40,113.04x = 55,355.16 × 22,207
  4. Step 4: Simplify right side
    40,113.04x = 1,229,272,038.12
  5. Step 5: Solve for x
    x = 1,229,272,038.12/40,113.04
  6. Step 6: Final answer
    x = 30,645.20

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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.