Home / 40,185.18-55,455.29-22,280.19

Finding the Fourth Proportional to 40,185.18, 55,455.29 and 22,280.19

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Solution

The fourth proportional to 40,185.18, 55,455.29 and 22,280.19 is: 30,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.18 : 55,455.29 = 22,280.19 : x
  2. Step 2: Convert to fraction form
    40,185.18/55,455.29 = 22,280.19/x
  3. Step 3: Cross multiply
    40,185.18x = 55,455.29 × 22,280.19
  4. Step 4: Simplify right side
    40,185.18x = 1,235,554,424.94
  5. Step 5: Solve for x
    x = 1,235,554,424.94/40,185.18
  6. Step 6: Final answer
    x = 30,746.52

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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.