Home / 45,688.14-68,450.81-27,909.45

Finding the Fourth Proportional to 45,688.14, 68,450.81 and 27,909.45

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Solution

The fourth proportional to 45,688.14, 68,450.81 and 27,909.45 is: 41,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688.14 : 68,450.81 = 27,909.45 : x
  2. Step 2: Convert to fraction form
    45,688.14/68,450.81 = 27,909.45/x
  3. Step 3: Cross multiply
    45,688.14x = 68,450.81 × 27,909.45
  4. Step 4: Simplify right side
    45,688.14x = 1,910,424,319.61
  5. Step 5: Solve for x
    x = 1,910,424,319.61/45,688.14
  6. Step 6: Final answer
    x = 41,814.45

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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.