Home / 53,919.32-74,408.54-31,271.41

Finding the Fourth Proportional to 53,919.32, 74,408.54 and 31,271.41

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Solution

The fourth proportional to 53,919.32, 74,408.54 and 31,271.41 is: 43,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.32 : 74,408.54 = 31,271.41 : x
  2. Step 2: Convert to fraction form
    53,919.32/74,408.54 = 31,271.41/x
  3. Step 3: Cross multiply
    53,919.32x = 74,408.54 × 31,271.41
  4. Step 4: Simplify right side
    53,919.32x = 2,326,859,854.00
  5. Step 5: Solve for x
    x = 2,326,859,854.00/53,919.32
  6. Step 6: Final answer
    x = 43,154.48

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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.