Home / 30,232.12-45,363.54-13,588.80

Finding the Fourth Proportional to 30,232.12, 45,363.54 and 13,588.80

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Solution

The fourth proportional to 30,232.12, 45,363.54 and 13,588.80 is: 20,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.12 : 45,363.54 = 13,588.80 : x
  2. Step 2: Convert to fraction form
    30,232.12/45,363.54 = 13,588.80/x
  3. Step 3: Cross multiply
    30,232.12x = 45,363.54 × 13,588.80
  4. Step 4: Simplify right side
    30,232.12x = 616,436,072.35
  5. Step 5: Solve for x
    x = 616,436,072.35/30,232.12
  6. Step 6: Final answer
    x = 20,390.10

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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.