Home / 53,118.12-79,726.40-26,841.32

Finding the Fourth Proportional to 53,118.12, 79,726.40 and 26,841.32

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Solution

The fourth proportional to 53,118.12, 79,726.40 and 26,841.32 is: 40,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.12 : 79,726.40 = 26,841.32 : x
  2. Step 2: Convert to fraction form
    53,118.12/79,726.40 = 26,841.32/x
  3. Step 3: Cross multiply
    53,118.12x = 79,726.40 × 26,841.32
  4. Step 4: Simplify right side
    53,118.12x = 2,139,961,814.85
  5. Step 5: Solve for x
    x = 2,139,961,814.85/53,118.12
  6. Step 6: Final answer
    x = 40,286.85

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1.5x scale

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.