Home / 39,685.84-59,527.53-13,388.38

Finding the Fourth Proportional to 39,685.84, 59,527.53 and 13,388.38

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Solution

The fourth proportional to 39,685.84, 59,527.53 and 13,388.38 is: 20,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.84 : 59,527.53 = 13,388.38 : x
  2. Step 2: Convert to fraction form
    39,685.84/59,527.53 = 13,388.38/x
  3. Step 3: Cross multiply
    39,685.84x = 59,527.53 × 13,388.38
  4. Step 4: Simplify right side
    39,685.84x = 796,977,043.28
  5. Step 5: Solve for x
    x = 796,977,043.28/39,685.84
  6. Step 6: Final answer
    x = 20,082.15

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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.