Home / 39,975.30-59,962.92-20,259.48

Finding the Fourth Proportional to 39,975.30, 59,962.92 and 20,259.48

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Solution

The fourth proportional to 39,975.30, 59,962.92 and 20,259.48 is: 30,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.30 : 59,962.92 = 20,259.48 : x
  2. Step 2: Convert to fraction form
    39,975.30/59,962.92 = 20,259.48/x
  3. Step 3: Cross multiply
    39,975.30x = 59,962.92 × 20,259.48
  4. Step 4: Simplify right side
    39,975.30x = 1,214,817,578.48
  5. Step 5: Solve for x
    x = 1,214,817,578.48/39,975.30
  6. Step 6: Final answer
    x = 30,389.20

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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.