Home / 39,635.90-59,459.99-13,338.59

Finding the Fourth Proportional to 39,635.90, 59,459.99 and 13,338.59

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Solution

The fourth proportional to 39,635.90, 59,459.99 and 13,338.59 is: 20,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,635.90 : 59,459.99 = 13,338.59 : x
  2. Step 2: Convert to fraction form
    39,635.90/59,459.99 = 13,338.59/x
  3. Step 3: Cross multiply
    39,635.90x = 59,459.99 × 13,338.59
  4. Step 4: Simplify right side
    39,635.90x = 793,112,064.02
  5. Step 5: Solve for x
    x = 793,112,064.02/39,635.90
  6. Step 6: Final answer
    x = 20,009.94

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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.