Home / 39,423.46-59,122.47-13,121.22

Finding the Fourth Proportional to 39,423.46, 59,122.47 and 13,121.22

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Solution

The fourth proportional to 39,423.46, 59,122.47 and 13,121.22 is: 19,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423.46 : 59,122.47 = 13,121.22 : x
  2. Step 2: Convert to fraction form
    39,423.46/59,122.47 = 13,121.22/x
  3. Step 3: Cross multiply
    39,423.46x = 59,122.47 × 13,121.22
  4. Step 4: Simplify right side
    39,423.46x = 775,758,935.81
  5. Step 5: Solve for x
    x = 775,758,935.81/39,423.46
  6. Step 6: Final answer
    x = 19,677.60

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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.