Home / 37,921.50-52,331.62-20,925.74

Finding the Fourth Proportional to 37,921.50, 52,331.62 and 20,925.74

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Solution

The fourth proportional to 37,921.50, 52,331.62 and 20,925.74 is: 28,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.50 : 52,331.62 = 20,925.74 : x
  2. Step 2: Convert to fraction form
    37,921.50/52,331.62 = 20,925.74/x
  3. Step 3: Cross multiply
    37,921.50x = 52,331.62 × 20,925.74
  4. Step 4: Simplify right side
    37,921.50x = 1,095,077,873.90
  5. Step 5: Solve for x
    x = 1,095,077,873.90/37,921.50
  6. Step 6: Final answer
    x = 28,877.49

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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.