Home / 30,289.19-45,428.36-9,224.15

Finding the Fourth Proportional to 30,289.19, 45,428.36 and 9,224.15

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Solution

The fourth proportional to 30,289.19, 45,428.36 and 9,224.15 is: 13,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.19 : 45,428.36 = 9,224.15 : x
  2. Step 2: Convert to fraction form
    30,289.19/45,428.36 = 9,224.15/x
  3. Step 3: Cross multiply
    30,289.19x = 45,428.36 × 9,224.15
  4. Step 4: Simplify right side
    30,289.19x = 419,037,733.63
  5. Step 5: Solve for x
    x = 419,037,733.63/30,289.19
  6. Step 6: Final answer
    x = 13,834.57

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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.