Home / 53,853.51-74,315.84-29,979.71

Finding the Fourth Proportional to 53,853.51, 74,315.84 and 29,979.71

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Solution

The fourth proportional to 53,853.51, 74,315.84 and 29,979.71 is: 41,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.51 : 74,315.84 = 29,979.71 : x
  2. Step 2: Convert to fraction form
    53,853.51/74,315.84 = 29,979.71/x
  3. Step 3: Cross multiply
    53,853.51x = 74,315.84 × 29,979.71
  4. Step 4: Simplify right side
    53,853.51x = 2,227,967,331.61
  5. Step 5: Solve for x
    x = 2,227,967,331.61/53,853.51
  6. Step 6: Final answer
    x = 41,370.88

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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.