Home / 53,853.72-74,316.87-29,979.92

Finding the Fourth Proportional to 53,853.72, 74,316.87 and 29,979.92

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Solution

The fourth proportional to 53,853.72, 74,316.87 and 29,979.92 is: 41,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.72 : 74,316.87 = 29,979.92 : x
  2. Step 2: Convert to fraction form
    53,853.72/74,316.87 = 29,979.92/x
  3. Step 3: Cross multiply
    53,853.72x = 74,316.87 × 29,979.92
  4. Step 4: Simplify right side
    53,853.72x = 2,228,013,445.67
  5. Step 5: Solve for x
    x = 2,228,013,445.67/53,853.72
  6. Step 6: Final answer
    x = 41,371.58

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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.