Home / 39,858.24-59,775.48-13,557.04

Finding the Fourth Proportional to 39,858.24, 59,775.48 and 13,557.04

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Solution

The fourth proportional to 39,858.24, 59,775.48 and 13,557.04 is: 20,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.24 : 59,775.48 = 13,557.04 : x
  2. Step 2: Convert to fraction form
    39,858.24/59,775.48 = 13,557.04/x
  3. Step 3: Cross multiply
    39,858.24x = 59,775.48 × 13,557.04
  4. Step 4: Simplify right side
    39,858.24x = 810,378,573.38
  5. Step 5: Solve for x
    x = 810,378,573.38/39,858.24
  6. Step 6: Final answer
    x = 20,331.52

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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.