Home / 30,375.23-45,569.52-9,318.17

Finding the Fourth Proportional to 30,375.23, 45,569.52 and 9,318.17

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Solution

The fourth proportional to 30,375.23, 45,569.52 and 9,318.17 is: 13,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.23 : 45,569.52 = 9,318.17 : x
  2. Step 2: Convert to fraction form
    30,375.23/45,569.52 = 9,318.17/x
  3. Step 3: Cross multiply
    30,375.23x = 45,569.52 × 9,318.17
  4. Step 4: Simplify right side
    30,375.23x = 424,624,534.18
  5. Step 5: Solve for x
    x = 424,624,534.18/30,375.23
  6. Step 6: Final answer
    x = 13,979.30

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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.