Home / 43,228.29-64,850.27-21,041.65

Finding the Fourth Proportional to 43,228.29, 64,850.27 and 21,041.65

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Solution

The fourth proportional to 43,228.29, 64,850.27 and 21,041.65 is: 31,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.29 : 64,850.27 = 21,041.65 : x
  2. Step 2: Convert to fraction form
    43,228.29/64,850.27 = 21,041.65/x
  3. Step 3: Cross multiply
    43,228.29x = 64,850.27 × 21,041.65
  4. Step 4: Simplify right side
    43,228.29x = 1,364,556,683.75
  5. Step 5: Solve for x
    x = 1,364,556,683.75/43,228.29
  6. Step 6: Final answer
    x = 31,566.29

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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.