Home / 39,975.10-59,969.96-19,995.05

Finding the Fourth Proportional to 39,975.10, 59,969.96 and 19,995.05

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Solution

The fourth proportional to 39,975.10, 59,969.96 and 19,995.05 is: 29,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.10 : 59,969.96 = 19,995.05 : x
  2. Step 2: Convert to fraction form
    39,975.10/59,969.96 = 19,995.05/x
  3. Step 3: Cross multiply
    39,975.10x = 59,969.96 × 19,995.05
  4. Step 4: Simplify right side
    39,975.10x = 1,199,102,248.72
  5. Step 5: Solve for x
    x = 1,199,102,248.72/39,975.10
  6. Step 6: Final answer
    x = 29,996.23

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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.