Home / 39,620.76-59,431.14-13,325.52

Finding the Fourth Proportional to 39,620.76, 59,431.14 and 13,325.52

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Solution

The fourth proportional to 39,620.76, 59,431.14 and 13,325.52 is: 19,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.76 : 59,431.14 = 13,325.52 : x
  2. Step 2: Convert to fraction form
    39,620.76/59,431.14 = 13,325.52/x
  3. Step 3: Cross multiply
    39,620.76x = 59,431.14 × 13,325.52
  4. Step 4: Simplify right side
    39,620.76x = 791,950,844.69
  5. Step 5: Solve for x
    x = 791,950,844.69/39,620.76
  6. Step 6: Final answer
    x = 19,988.28

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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.