Home / 39,685.55-59,530.14-13,390.52

Finding the Fourth Proportional to 39,685.55, 59,530.14 and 13,390.52

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Solution

The fourth proportional to 39,685.55, 59,530.14 and 13,390.52 is: 20,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.55 : 59,530.14 = 13,390.52 : x
  2. Step 2: Convert to fraction form
    39,685.55/59,530.14 = 13,390.52/x
  3. Step 3: Cross multiply
    39,685.55x = 59,530.14 × 13,390.52
  4. Step 4: Simplify right side
    39,685.55x = 797,139,232.62
  5. Step 5: Solve for x
    x = 797,139,232.62/39,685.55
  6. Step 6: Final answer
    x = 20,086.39

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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.