Home / 45,570.14-68,354.80-14,405.40

Finding the Fourth Proportional to 45,570.14, 68,354.80 and 14,405.40

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Solution

The fourth proportional to 45,570.14, 68,354.80 and 14,405.40 is: 21,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,570.14 : 68,354.80 = 14,405.40 : x
  2. Step 2: Convert to fraction form
    45,570.14/68,354.80 = 14,405.40/x
  3. Step 3: Cross multiply
    45,570.14x = 68,354.80 × 14,405.40
  4. Step 4: Simplify right side
    45,570.14x = 984,678,235.92
  5. Step 5: Solve for x
    x = 984,678,235.92/45,570.14
  6. Step 6: Final answer
    x = 21,607.97

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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.