Home / 39,344.12-59,033.61-20,619.68

Finding the Fourth Proportional to 39,344.12, 59,033.61 and 20,619.68

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Solution

The fourth proportional to 39,344.12, 59,033.61 and 20,619.68 is: 30,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.12 : 59,033.61 = 20,619.68 : x
  2. Step 2: Convert to fraction form
    39,344.12/59,033.61 = 20,619.68/x
  3. Step 3: Cross multiply
    39,344.12x = 59,033.61 × 20,619.68
  4. Step 4: Simplify right side
    39,344.12x = 1,217,254,184.34
  5. Step 5: Solve for x
    x = 1,217,254,184.34/39,344.12
  6. Step 6: Final answer
    x = 30,938.65

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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.