Home / 45,545.22-68,354.28-19,268.28

Finding the Fourth Proportional to 45,545.22, 68,354.28 and 19,268.28

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Solution

The fourth proportional to 45,545.22, 68,354.28 and 19,268.28 is: 28,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.22 : 68,354.28 = 19,268.28 : x
  2. Step 2: Convert to fraction form
    45,545.22/68,354.28 = 19,268.28/x
  3. Step 3: Cross multiply
    45,545.22x = 68,354.28 × 19,268.28
  4. Step 4: Simplify right side
    45,545.22x = 1,317,069,406.24
  5. Step 5: Solve for x
    x = 1,317,069,406.24/45,545.22
  6. Step 6: Final answer
    x = 28,917.84

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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.