Home / 40,065.61-55,292.07-22,160.23

Finding the Fourth Proportional to 40,065.61, 55,292.07 and 22,160.23

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Solution

The fourth proportional to 40,065.61, 55,292.07 and 22,160.23 is: 30,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.61 : 55,292.07 = 22,160.23 : x
  2. Step 2: Convert to fraction form
    40,065.61/55,292.07 = 22,160.23/x
  3. Step 3: Cross multiply
    40,065.61x = 55,292.07 × 22,160.23
  4. Step 4: Simplify right side
    40,065.61x = 1,225,285,119.61
  5. Step 5: Solve for x
    x = 1,225,285,119.61/40,065.61
  6. Step 6: Final answer
    x = 30,581.96

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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.