Home / 39,638.15-59,463.36-13,340.84

Finding the Fourth Proportional to 39,638.15, 59,463.36 and 13,340.84

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Solution

The fourth proportional to 39,638.15, 59,463.36 and 13,340.84 is: 20,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.15 : 59,463.36 = 13,340.84 : x
  2. Step 2: Convert to fraction form
    39,638.15/59,463.36 = 13,340.84/x
  3. Step 3: Cross multiply
    39,638.15x = 59,463.36 × 13,340.84
  4. Step 4: Simplify right side
    39,638.15x = 793,290,874.31
  5. Step 5: Solve for x
    x = 793,290,874.31/39,638.15
  6. Step 6: Final answer
    x = 20,013.32

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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.