Home / 37,881.83-52,257.70-28,913.76

Finding the Fourth Proportional to 37,881.83, 52,257.70 and 28,913.76

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Solution

The fourth proportional to 37,881.83, 52,257.70 and 28,913.76 is: 39,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,881.83 : 52,257.70 = 28,913.76 : x
  2. Step 2: Convert to fraction form
    37,881.83/52,257.70 = 28,913.76/x
  3. Step 3: Cross multiply
    37,881.83x = 52,257.70 × 28,913.76
  4. Step 4: Simplify right side
    37,881.83x = 1,510,966,595.95
  5. Step 5: Solve for x
    x = 1,510,966,595.95/37,881.83
  6. Step 6: Final answer
    x = 39,886.31

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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.