Home / 40,070.94-55,294.44-22,161.48

Finding the Fourth Proportional to 40,070.94, 55,294.44 and 22,161.48

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Solution

The fourth proportional to 40,070.94, 55,294.44 and 22,161.48 is: 30,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.94 : 55,294.44 = 22,161.48 : x
  2. Step 2: Convert to fraction form
    40,070.94/55,294.44 = 22,161.48/x
  3. Step 3: Cross multiply
    40,070.94x = 55,294.44 × 22,161.48
  4. Step 4: Simplify right side
    40,070.94x = 1,225,406,626.17
  5. Step 5: Solve for x
    x = 1,225,406,626.17/40,070.94
  6. Step 6: Final answer
    x = 30,580.93

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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.