Home / 53,939.35-74,436.06-31,291.48

Finding the Fourth Proportional to 53,939.35, 74,436.06 and 31,291.48

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Solution

The fourth proportional to 53,939.35, 74,436.06 and 31,291.48 is: 43,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939.35 : 74,436.06 = 31,291.48 : x
  2. Step 2: Convert to fraction form
    53,939.35/74,436.06 = 31,291.48/x
  3. Step 3: Cross multiply
    53,939.35x = 74,436.06 × 31,291.48
  4. Step 4: Simplify right side
    53,939.35x = 2,329,214,482.77
  5. Step 5: Solve for x
    x = 2,329,214,482.77/53,939.35
  6. Step 6: Final answer
    x = 43,182.10

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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.