Home / 39,830.88-59,739.84-13,535.04

Finding the Fourth Proportional to 39,830.88, 59,739.84 and 13,535.04

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Solution

The fourth proportional to 39,830.88, 59,739.84 and 13,535.04 is: 20,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.88 : 59,739.84 = 13,535.04 : x
  2. Step 2: Convert to fraction form
    39,830.88/59,739.84 = 13,535.04/x
  3. Step 3: Cross multiply
    39,830.88x = 59,739.84 × 13,535.04
  4. Step 4: Simplify right side
    39,830.88x = 808,581,123.99
  5. Step 5: Solve for x
    x = 808,581,123.99/39,830.88
  6. Step 6: Final answer
    x = 20,300.36

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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.