Home / 39,733.79-59,530.62-20,972.49

Finding the Fourth Proportional to 39,733.79, 59,530.62 and 20,972.49

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Solution

The fourth proportional to 39,733.79, 59,530.62 and 20,972.49 is: 31,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.79 : 59,530.62 = 20,972.49 : x
  2. Step 2: Convert to fraction form
    39,733.79/59,530.62 = 20,972.49/x
  3. Step 3: Cross multiply
    39,733.79x = 59,530.62 × 20,972.49
  4. Step 4: Simplify right side
    39,733.79x = 1,248,505,332.64
  5. Step 5: Solve for x
    x = 1,248,505,332.64/39,733.79
  6. Step 6: Final answer
    x = 31,421.76

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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.