Home / 45,447.12-68,159.52-14,282.28

Finding the Fourth Proportional to 45,447.12, 68,159.52 and 14,282.28

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Solution

The fourth proportional to 45,447.12, 68,159.52 and 14,282.28 is: 21,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.12 : 68,159.52 = 14,282.28 : x
  2. Step 2: Convert to fraction form
    45,447.12/68,159.52 = 14,282.28/x
  3. Step 3: Cross multiply
    45,447.12x = 68,159.52 × 14,282.28
  4. Step 4: Simplify right side
    45,447.12x = 973,473,349.31
  5. Step 5: Solve for x
    x = 973,473,349.31/45,447.12
  6. Step 6: Final answer
    x = 21,419.91

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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.