Home / 40,014.08-55,219.56-22,109.04

Finding the Fourth Proportional to 40,014.08, 55,219.56 and 22,109.04

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Solution

The fourth proportional to 40,014.08, 55,219.56 and 22,109.04 is: 30,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.08 : 55,219.56 = 22,109.04 : x
  2. Step 2: Convert to fraction form
    40,014.08/55,219.56 = 22,109.04/x
  3. Step 3: Cross multiply
    40,014.08x = 55,219.56 × 22,109.04
  4. Step 4: Simplify right side
    40,014.08x = 1,220,851,460.82
  5. Step 5: Solve for x
    x = 1,220,851,460.82/40,014.08
  6. Step 6: Final answer
    x = 30,510.55

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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.