Home / 30,443.08-42,010.50-17,867.56

Finding the Fourth Proportional to 30,443.08, 42,010.50 and 17,867.56

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Solution

The fourth proportional to 30,443.08, 42,010.50 and 17,867.56 is: 24,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.08 : 42,010.50 = 17,867.56 : x
  2. Step 2: Convert to fraction form
    30,443.08/42,010.50 = 17,867.56/x
  3. Step 3: Cross multiply
    30,443.08x = 42,010.50 × 17,867.56
  4. Step 4: Simplify right side
    30,443.08x = 750,625,129.38
  5. Step 5: Solve for x
    x = 750,625,129.38/30,443.08
  6. Step 6: Final answer
    x = 24,656.67

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1.5x scale

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.