Home / 30,328.53-45,491.23-11,617.53

Finding the Fourth Proportional to 30,328.53, 45,491.23 and 11,617.53

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Solution

The fourth proportional to 30,328.53, 45,491.23 and 11,617.53 is: 17,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.53 : 45,491.23 = 11,617.53 : x
  2. Step 2: Convert to fraction form
    30,328.53/45,491.23 = 11,617.53/x
  3. Step 3: Cross multiply
    30,328.53x = 45,491.23 × 11,617.53
  4. Step 4: Simplify right side
    30,328.53x = 528,495,729.26
  5. Step 5: Solve for x
    x = 528,495,729.26/30,328.53
  6. Step 6: Final answer
    x = 17,425.70

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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.