Home / 40,019.93-55,225.70-22,114.55

Finding the Fourth Proportional to 40,019.93, 55,225.70 and 22,114.55

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Solution

The fourth proportional to 40,019.93, 55,225.70 and 22,114.55 is: 30,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.93 : 55,225.70 = 22,114.55 : x
  2. Step 2: Convert to fraction form
    40,019.93/55,225.70 = 22,114.55/x
  3. Step 3: Cross multiply
    40,019.93x = 55,225.70 × 22,114.55
  4. Step 4: Simplify right side
    40,019.93x = 1,221,291,428.11
  5. Step 5: Solve for x
    x = 1,221,291,428.11/40,019.93
  6. Step 6: Final answer
    x = 30,517.08

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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.