Home / 39,454.88-59,160.48-13,145.28

Finding the Fourth Proportional to 39,454.88, 59,160.48 and 13,145.28

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Solution

The fourth proportional to 39,454.88, 59,160.48 and 13,145.28 is: 19,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.88 : 59,160.48 = 13,145.28 : x
  2. Step 2: Convert to fraction form
    39,454.88/59,160.48 = 13,145.28/x
  3. Step 3: Cross multiply
    39,454.88x = 59,160.48 × 13,145.28
  4. Step 4: Simplify right side
    39,454.88x = 777,681,074.53
  5. Step 5: Solve for x
    x = 777,681,074.53/39,454.88
  6. Step 6: Final answer
    x = 19,710.64

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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.