Home / 39,500.79-59,261.51-13,205.76

Finding the Fourth Proportional to 39,500.79, 59,261.51 and 13,205.76

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Solution

The fourth proportional to 39,500.79, 59,261.51 and 13,205.76 is: 19,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,500.79 : 59,261.51 = 13,205.76 : x
  2. Step 2: Convert to fraction form
    39,500.79/59,261.51 = 13,205.76/x
  3. Step 3: Cross multiply
    39,500.79x = 59,261.51 × 13,205.76
  4. Step 4: Simplify right side
    39,500.79x = 782,593,278.30
  5. Step 5: Solve for x
    x = 782,593,278.30/39,500.79
  6. Step 6: Final answer
    x = 19,812.09

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1.5x scale

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.