Home / 39,815.33-59,710.16-13,155.26

Finding the Fourth Proportional to 39,815.33, 59,710.16 and 13,155.26

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Solution

The fourth proportional to 39,815.33, 59,710.16 and 13,155.26 is: 19,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.33 : 59,710.16 = 13,155.26 : x
  2. Step 2: Convert to fraction form
    39,815.33/59,710.16 = 13,155.26/x
  3. Step 3: Cross multiply
    39,815.33x = 59,710.16 × 13,155.26
  4. Step 4: Simplify right side
    39,815.33x = 785,502,315.11
  5. Step 5: Solve for x
    x = 785,502,315.11/39,815.33
  6. Step 6: Final answer
    x = 19,728.64

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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.