Home / 45,327.12-67,921.42-19,017.51

Finding the Fourth Proportional to 45,327.12, 67,921.42 and 19,017.51

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Solution

The fourth proportional to 45,327.12, 67,921.42 and 19,017.51 is: 28,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.12 : 67,921.42 = 19,017.51 : x
  2. Step 2: Convert to fraction form
    45,327.12/67,921.42 = 19,017.51/x
  3. Step 3: Cross multiply
    45,327.12x = 67,921.42 × 19,017.51
  4. Step 4: Simplify right side
    45,327.12x = 1,291,696,284.06
  5. Step 5: Solve for x
    x = 1,291,696,284.06/45,327.12
  6. Step 6: Final answer
    x = 28,497.21

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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.