Home / 37,920.94-52,330.85-20,925.17

Finding the Fourth Proportional to 37,920.94, 52,330.85 and 20,925.17

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Solution

The fourth proportional to 37,920.94, 52,330.85 and 20,925.17 is: 28,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.94 : 52,330.85 = 20,925.17 : x
  2. Step 2: Convert to fraction form
    37,920.94/52,330.85 = 20,925.17/x
  3. Step 3: Cross multiply
    37,920.94x = 52,330.85 × 20,925.17
  4. Step 4: Simplify right side
    37,920.94x = 1,095,032,194.14
  5. Step 5: Solve for x
    x = 1,095,032,194.14/37,920.94
  6. Step 6: Final answer
    x = 28,876.72

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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.