Home / 39,391.95-59,038.65-19,676.01

Finding the Fourth Proportional to 39,391.95, 59,038.65 and 19,676.01

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Solution

The fourth proportional to 39,391.95, 59,038.65 and 19,676.01 is: 29,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.95 : 59,038.65 = 19,676.01 : x
  2. Step 2: Convert to fraction form
    39,391.95/59,038.65 = 19,676.01/x
  3. Step 3: Cross multiply
    39,391.95x = 59,038.65 × 19,676.01
  4. Step 4: Simplify right side
    39,391.95x = 1,161,645,067.79
  5. Step 5: Solve for x
    x = 1,161,645,067.79/39,391.95
  6. Step 6: Final answer
    x = 29,489.40

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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.