Home / 40,677.30-56,133-22,769.01

Finding the Fourth Proportional to 40,677.30, 56,133 and 22,769.01

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Solution

The fourth proportional to 40,677.30, 56,133 and 22,769.01 is: 31,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,677.30 : 56,133 = 22,769.01 : x
  2. Step 2: Convert to fraction form
    40,677.30/56,133 = 22,769.01/x
  3. Step 3: Cross multiply
    40,677.30x = 56,133 × 22,769.01
  4. Step 4: Simplify right side
    40,677.30x = 1,278,092,838.33
  5. Step 5: Solve for x
    x = 1,278,092,838.33/40,677.30
  6. Step 6: Final answer
    x = 31,420.30

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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.