Home / 40,068.69-55,291.34-22,159.24

Finding the Fourth Proportional to 40,068.69, 55,291.34 and 22,159.24

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Solution

The fourth proportional to 40,068.69, 55,291.34 and 22,159.24 is: 30,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,068.69 : 55,291.34 = 22,159.24 : x
  2. Step 2: Convert to fraction form
    40,068.69/55,291.34 = 22,159.24/x
  3. Step 3: Cross multiply
    40,068.69x = 55,291.34 × 22,159.24
  4. Step 4: Simplify right side
    40,068.69x = 1,225,213,990.15
  5. Step 5: Solve for x
    x = 1,225,213,990.15/40,068.69
  6. Step 6: Final answer
    x = 30,577.84

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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.