Home / 37,920.72-52,331.16-20,924.70

Finding the Fourth Proportional to 37,920.72, 52,331.16 and 20,924.70

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Solution

The fourth proportional to 37,920.72, 52,331.16 and 20,924.70 is: 28,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.72 : 52,331.16 = 20,924.70 : x
  2. Step 2: Convert to fraction form
    37,920.72/52,331.16 = 20,924.70/x
  3. Step 3: Cross multiply
    37,920.72x = 52,331.16 × 20,924.70
  4. Step 4: Simplify right side
    37,920.72x = 1,095,013,823.65
  5. Step 5: Solve for x
    x = 1,095,013,823.65/37,920.72
  6. Step 6: Final answer
    x = 28,876.40

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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.