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Finding the Fourth Proportional to 45,878.72, 63,276.11 and 37,907.11

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Solution

The fourth proportional to 45,878.72, 63,276.11 and 37,907.11 is: 52,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,878.72 : 63,276.11 = 37,907.11 : x
  2. Step 2: Convert to fraction form
    45,878.72/63,276.11 = 37,907.11/x
  3. Step 3: Cross multiply
    45,878.72x = 63,276.11 × 37,907.11
  4. Step 4: Simplify right side
    45,878.72x = 2,398,614,244.54
  5. Step 5: Solve for x
    x = 2,398,614,244.54/45,878.72
  6. Step 6: Final answer
    x = 52,281.63

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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.