Home / 40,045.50-55,260.63-22,139.46

Finding the Fourth Proportional to 40,045.50, 55,260.63 and 22,139.46

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Solution

The fourth proportional to 40,045.50, 55,260.63 and 22,139.46 is: 30,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.50 : 55,260.63 = 22,139.46 : x
  2. Step 2: Convert to fraction form
    40,045.50/55,260.63 = 22,139.46/x
  3. Step 3: Cross multiply
    40,045.50x = 55,260.63 × 22,139.46
  4. Step 4: Simplify right side
    40,045.50x = 1,223,440,507.46
  5. Step 5: Solve for x
    x = 1,223,440,507.46/40,045.50
  6. Step 6: Final answer
    x = 30,551.26

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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.