Home / 39,633.08-59,428.16-17,420.48

Finding the Fourth Proportional to 39,633.08, 59,428.16 and 17,420.48

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Solution

The fourth proportional to 39,633.08, 59,428.16 and 17,420.48 is: 26,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,633.08 : 59,428.16 = 17,420.48 : x
  2. Step 2: Convert to fraction form
    39,633.08/59,428.16 = 17,420.48/x
  3. Step 3: Cross multiply
    39,633.08x = 59,428.16 × 17,420.48
  4. Step 4: Simplify right side
    39,633.08x = 1,035,267,072.72
  5. Step 5: Solve for x
    x = 1,035,267,072.72/39,633.08
  6. Step 6: Final answer
    x = 26,121.29

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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.