Home / 40,155.46-55,413.62-23,159.74

Finding the Fourth Proportional to 40,155.46, 55,413.62 and 23,159.74

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Solution

The fourth proportional to 40,155.46, 55,413.62 and 23,159.74 is: 31,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.46 : 55,413.62 = 23,159.74 : x
  2. Step 2: Convert to fraction form
    40,155.46/55,413.62 = 23,159.74/x
  3. Step 3: Cross multiply
    40,155.46x = 55,413.62 × 23,159.74
  4. Step 4: Simplify right side
    40,155.46x = 1,283,364,968.08
  5. Step 5: Solve for x
    x = 1,283,364,968.08/40,155.46
  6. Step 6: Final answer
    x = 31,959.91

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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.