Home / 40,291.83-60,437.75-12,589.83

Finding the Fourth Proportional to 40,291.83, 60,437.75 and 12,589.83

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Solution

The fourth proportional to 40,291.83, 60,437.75 and 12,589.83 is: 18,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.83 : 60,437.75 = 12,589.83 : x
  2. Step 2: Convert to fraction form
    40,291.83/60,437.75 = 12,589.83/x
  3. Step 3: Cross multiply
    40,291.83x = 60,437.75 × 12,589.83
  4. Step 4: Simplify right side
    40,291.83x = 760,900,935.13
  5. Step 5: Solve for x
    x = 760,900,935.13/40,291.83
  6. Step 6: Final answer
    x = 18,884.75

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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.