Home / 39,638.90-59,464.49-13,341.59

Finding the Fourth Proportional to 39,638.90, 59,464.49 and 13,341.59

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Solution

The fourth proportional to 39,638.90, 59,464.49 and 13,341.59 is: 20,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.90 : 59,464.49 = 13,341.59 : x
  2. Step 2: Convert to fraction form
    39,638.90/59,464.49 = 13,341.59/x
  3. Step 3: Cross multiply
    39,638.90x = 59,464.49 × 13,341.59
  4. Step 4: Simplify right side
    39,638.90x = 793,350,845.14
  5. Step 5: Solve for x
    x = 793,350,845.14/39,638.90
  6. Step 6: Final answer
    x = 20,014.45

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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.