Home / 30,355.13-45,537.78-13,714.80

Finding the Fourth Proportional to 30,355.13, 45,537.78 and 13,714.80

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Solution

The fourth proportional to 30,355.13, 45,537.78 and 13,714.80 is: 20,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.13 : 45,537.78 = 13,714.80 : x
  2. Step 2: Convert to fraction form
    30,355.13/45,537.78 = 13,714.80/x
  3. Step 3: Cross multiply
    30,355.13x = 45,537.78 × 13,714.80
  4. Step 4: Simplify right side
    30,355.13x = 624,541,545.14
  5. Step 5: Solve for x
    x = 624,541,545.14/30,355.13
  6. Step 6: Final answer
    x = 20,574.50

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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.