Home / 53,781.08-74,216.90-29,907.55

Finding the Fourth Proportional to 53,781.08, 74,216.90 and 29,907.55

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Solution

The fourth proportional to 53,781.08, 74,216.90 and 29,907.55 is: 41,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.08 : 74,216.90 = 29,907.55 : x
  2. Step 2: Convert to fraction form
    53,781.08/74,216.90 = 29,907.55/x
  3. Step 3: Cross multiply
    53,781.08x = 74,216.90 × 29,907.55
  4. Step 4: Simplify right side
    53,781.08x = 2,219,645,126.97
  5. Step 5: Solve for x
    x = 2,219,645,126.97/53,781.08
  6. Step 6: Final answer
    x = 41,271.86

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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.