Home / 39,780.80-59,671.20-14,832.80

Finding the Fourth Proportional to 39,780.80, 59,671.20 and 14,832.80

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Solution

The fourth proportional to 39,780.80, 59,671.20 and 14,832.80 is: 22,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,780.80 : 59,671.20 = 14,832.80 : x
  2. Step 2: Convert to fraction form
    39,780.80/59,671.20 = 14,832.80/x
  3. Step 3: Cross multiply
    39,780.80x = 59,671.20 × 14,832.80
  4. Step 4: Simplify right side
    39,780.80x = 885,090,975.36
  5. Step 5: Solve for x
    x = 885,090,975.36/39,780.80
  6. Step 6: Final answer
    x = 22,249.20

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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.