Home / 40,065.08-55,287.54-22,159.04

Finding the Fourth Proportional to 40,065.08, 55,287.54 and 22,159.04

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Solution

The fourth proportional to 40,065.08, 55,287.54 and 22,159.04 is: 30,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.08 : 55,287.54 = 22,159.04 : x
  2. Step 2: Convert to fraction form
    40,065.08/55,287.54 = 22,159.04/x
  3. Step 3: Cross multiply
    40,065.08x = 55,287.54 × 22,159.04
  4. Step 4: Simplify right side
    40,065.08x = 1,225,118,810.36
  5. Step 5: Solve for x
    x = 1,225,118,810.36/40,065.08
  6. Step 6: Final answer
    x = 30,578.22

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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.