Home / 40,122.81-55,356.98-23,124.74

Finding the Fourth Proportional to 40,122.81, 55,356.98 and 23,124.74

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Solution

The fourth proportional to 40,122.81, 55,356.98 and 23,124.74 is: 31,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.81 : 55,356.98 = 23,124.74 : x
  2. Step 2: Convert to fraction form
    40,122.81/55,356.98 = 23,124.74/x
  3. Step 3: Cross multiply
    40,122.81x = 55,356.98 × 23,124.74
  4. Step 4: Simplify right side
    40,122.81x = 1,280,115,377.28
  5. Step 5: Solve for x
    x = 1,280,115,377.28/40,122.81
  6. Step 6: Final answer
    x = 31,904.93

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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.