Home / 40,326.04-55,646.80-22,419.96

Finding the Fourth Proportional to 40,326.04, 55,646.80 and 22,419.96

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Solution

The fourth proportional to 40,326.04, 55,646.80 and 22,419.96 is: 30,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,326.04 : 55,646.80 = 22,419.96 : x
  2. Step 2: Convert to fraction form
    40,326.04/55,646.80 = 22,419.96/x
  3. Step 3: Cross multiply
    40,326.04x = 55,646.80 × 22,419.96
  4. Step 4: Simplify right side
    40,326.04x = 1,247,599,030.13
  5. Step 5: Solve for x
    x = 1,247,599,030.13/40,326.04
  6. Step 6: Final answer
    x = 30,937.80

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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.