Home / 40,119.68-55,360.69-22,210.20

Finding the Fourth Proportional to 40,119.68, 55,360.69 and 22,210.20

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Solution

The fourth proportional to 40,119.68, 55,360.69 and 22,210.20 is: 30,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.68 : 55,360.69 = 22,210.20 : x
  2. Step 2: Convert to fraction form
    40,119.68/55,360.69 = 22,210.20/x
  3. Step 3: Cross multiply
    40,119.68x = 55,360.69 × 22,210.20
  4. Step 4: Simplify right side
    40,119.68x = 1,229,571,941.51
  5. Step 5: Solve for x
    x = 1,229,571,941.51/40,119.68
  6. Step 6: Final answer
    x = 30,647.60

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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.