Home / 40,159.99-55,419.96-22,254.84

Finding the Fourth Proportional to 40,159.99, 55,419.96 and 22,254.84

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Solution

The fourth proportional to 40,159.99, 55,419.96 and 22,254.84 is: 30,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.99 : 55,419.96 = 22,254.84 : x
  2. Step 2: Convert to fraction form
    40,159.99/55,419.96 = 22,254.84/x
  3. Step 3: Cross multiply
    40,159.99x = 55,419.96 × 22,254.84
  4. Step 4: Simplify right side
    40,159.99x = 1,233,362,342.61
  5. Step 5: Solve for x
    x = 1,233,362,342.61/40,159.99
  6. Step 6: Final answer
    x = 30,711.22

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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.