Home / 39,966.70-59,986.86-20,259.04

Finding the Fourth Proportional to 39,966.70, 59,986.86 and 20,259.04

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Solution

The fourth proportional to 39,966.70, 59,986.86 and 20,259.04 is: 30,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.70 : 59,986.86 = 20,259.04 : x
  2. Step 2: Convert to fraction form
    39,966.70/59,986.86 = 20,259.04/x
  3. Step 3: Cross multiply
    39,966.70x = 59,986.86 × 20,259.04
  4. Step 4: Simplify right side
    39,966.70x = 1,215,276,196.21
  5. Step 5: Solve for x
    x = 1,215,276,196.21/39,966.70
  6. Step 6: Final answer
    x = 30,407.22

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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.