Home / 53,130.90-79,745.55-26,854.02

Finding the Fourth Proportional to 53,130.90, 79,745.55 and 26,854.02

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Solution

The fourth proportional to 53,130.90, 79,745.55 and 26,854.02 is: 40,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.90 : 79,745.55 = 26,854.02 : x
  2. Step 2: Convert to fraction form
    53,130.90/79,745.55 = 26,854.02/x
  3. Step 3: Cross multiply
    53,130.90x = 79,745.55 × 26,854.02
  4. Step 4: Simplify right side
    53,130.90x = 2,141,488,594.61
  5. Step 5: Solve for x
    x = 2,141,488,594.61/53,130.90
  6. Step 6: Final answer
    x = 40,305.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.