Home / 30,164.95-45,248.03-14,371.79

Finding the Fourth Proportional to 30,164.95, 45,248.03 and 14,371.79

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Solution

The fourth proportional to 30,164.95, 45,248.03 and 14,371.79 is: 21,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.95 : 45,248.03 = 14,371.79 : x
  2. Step 2: Convert to fraction form
    30,164.95/45,248.03 = 14,371.79/x
  3. Step 3: Cross multiply
    30,164.95x = 45,248.03 × 14,371.79
  4. Step 4: Simplify right side
    30,164.95x = 650,295,113.21
  5. Step 5: Solve for x
    x = 650,295,113.21/30,164.95
  6. Step 6: Final answer
    x = 21,557.97

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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.