Home / 30,376.16-45,565.62-9,314.66

Finding the Fourth Proportional to 30,376.16, 45,565.62 and 9,314.66

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Solution

The fourth proportional to 30,376.16, 45,565.62 and 9,314.66 is: 13,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.16 : 45,565.62 = 9,314.66 : x
  2. Step 2: Convert to fraction form
    30,376.16/45,565.62 = 9,314.66/x
  3. Step 3: Cross multiply
    30,376.16x = 45,565.62 × 9,314.66
  4. Step 4: Simplify right side
    30,376.16x = 424,428,257.99
  5. Step 5: Solve for x
    x = 424,428,257.99/30,376.16
  6. Step 6: Final answer
    x = 13,972.41

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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.