Home / 40,124.16-55,376.64-23,356.80

Finding the Fourth Proportional to 40,124.16, 55,376.64 and 23,356.80

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Solution

The fourth proportional to 40,124.16, 55,376.64 and 23,356.80 is: 32,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.16 : 55,376.64 = 23,356.80 : x
  2. Step 2: Convert to fraction form
    40,124.16/55,376.64 = 23,356.80/x
  3. Step 3: Cross multiply
    40,124.16x = 55,376.64 × 23,356.80
  4. Step 4: Simplify right side
    40,124.16x = 1,293,421,105.15
  5. Step 5: Solve for x
    x = 1,293,421,105.15/40,124.16
  6. Step 6: Final answer
    x = 32,235.47

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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.