Home / 37,876.71-52,267.51-20,880.08

Finding the Fourth Proportional to 37,876.71, 52,267.51 and 20,880.08

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Solution

The fourth proportional to 37,876.71, 52,267.51 and 20,880.08 is: 28,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.71 : 52,267.51 = 20,880.08 : x
  2. Step 2: Convert to fraction form
    37,876.71/52,267.51 = 20,880.08/x
  3. Step 3: Cross multiply
    37,876.71x = 52,267.51 × 20,880.08
  4. Step 4: Simplify right side
    37,876.71x = 1,091,349,750.97
  5. Step 5: Solve for x
    x = 1,091,349,750.97/37,876.71
  6. Step 6: Final answer
    x = 28,813.21

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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.