Home / 39,171.79-53,934.15-34,567.81

Finding the Fourth Proportional to 39,171.79, 53,934.15 and 34,567.81

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Solution

The fourth proportional to 39,171.79, 53,934.15 and 34,567.81 is: 47,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.79 : 53,934.15 = 34,567.81 : x
  2. Step 2: Convert to fraction form
    39,171.79/53,934.15 = 34,567.81/x
  3. Step 3: Cross multiply
    39,171.79x = 53,934.15 × 34,567.81
  4. Step 4: Simplify right side
    39,171.79x = 1,864,385,747.89
  5. Step 5: Solve for x
    x = 1,864,385,747.89/39,171.79
  6. Step 6: Final answer
    x = 47,595.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.