Home / 39,339.96-59,009.94-13,038.59

Finding the Fourth Proportional to 39,339.96, 59,009.94 and 13,038.59

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Solution

The fourth proportional to 39,339.96, 59,009.94 and 13,038.59 is: 19,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.96 : 59,009.94 = 13,038.59 : x
  2. Step 2: Convert to fraction form
    39,339.96/59,009.94 = 13,038.59/x
  3. Step 3: Cross multiply
    39,339.96x = 59,009.94 × 13,038.59
  4. Step 4: Simplify right side
    39,339.96x = 769,406,118.53
  5. Step 5: Solve for x
    x = 769,406,118.53/39,339.96
  6. Step 6: Final answer
    x = 19,557.88

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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.