Home / 37,921.72-52,332.54-20,925.70

Finding the Fourth Proportional to 37,921.72, 52,332.54 and 20,925.70

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Solution

The fourth proportional to 37,921.72, 52,332.54 and 20,925.70 is: 28,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.72 : 52,332.54 = 20,925.70 : x
  2. Step 2: Convert to fraction form
    37,921.72/52,332.54 = 20,925.70/x
  3. Step 3: Cross multiply
    37,921.72x = 52,332.54 × 20,925.70
  4. Step 4: Simplify right side
    37,921.72x = 1,095,095,032.28
  5. Step 5: Solve for x
    x = 1,095,095,032.28/37,921.72
  6. Step 6: Final answer
    x = 28,877.78

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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.