Home / 39,171.26-54,038.77-26,420.30

Finding the Fourth Proportional to 39,171.26, 54,038.77 and 26,420.30

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Solution

The fourth proportional to 39,171.26, 54,038.77 and 26,420.30 is: 36,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.26 : 54,038.77 = 26,420.30 : x
  2. Step 2: Convert to fraction form
    39,171.26/54,038.77 = 26,420.30/x
  3. Step 3: Cross multiply
    39,171.26x = 54,038.77 × 26,420.30
  4. Step 4: Simplify right side
    39,171.26x = 1,427,720,515.03
  5. Step 5: Solve for x
    x = 1,427,720,515.03/39,171.26
  6. Step 6: Final answer
    x = 36,448.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.