Home / 39,760.16-59,647.55-13,107.74

Finding the Fourth Proportional to 39,760.16, 59,647.55 and 13,107.74

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Solution

The fourth proportional to 39,760.16, 59,647.55 and 13,107.74 is: 19,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.16 : 59,647.55 = 13,107.74 : x
  2. Step 2: Convert to fraction form
    39,760.16/59,647.55 = 13,107.74/x
  3. Step 3: Cross multiply
    39,760.16x = 59,647.55 × 13,107.74
  4. Step 4: Simplify right side
    39,760.16x = 781,844,213.26
  5. Step 5: Solve for x
    x = 781,844,213.26/39,760.16
  6. Step 6: Final answer
    x = 19,664.01

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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.