Home / 30,295.75-41,802.02-18,352.15

Finding the Fourth Proportional to 30,295.75, 41,802.02 and 18,352.15

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Solution

The fourth proportional to 30,295.75, 41,802.02 and 18,352.15 is: 25,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.75 : 41,802.02 = 18,352.15 : x
  2. Step 2: Convert to fraction form
    30,295.75/41,802.02 = 18,352.15/x
  3. Step 3: Cross multiply
    30,295.75x = 41,802.02 × 18,352.15
  4. Step 4: Simplify right side
    30,295.75x = 767,156,941.34
  5. Step 5: Solve for x
    x = 767,156,941.34/30,295.75
  6. Step 6: Final answer
    x = 25,322.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.