Home / 30,535.12-45,802.32-17,209.12

Finding the Fourth Proportional to 30,535.12, 45,802.32 and 17,209.12

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Solution

The fourth proportional to 30,535.12, 45,802.32 and 17,209.12 is: 25,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535.12 : 45,802.32 = 17,209.12 : x
  2. Step 2: Convert to fraction form
    30,535.12/45,802.32 = 17,209.12/x
  3. Step 3: Cross multiply
    30,535.12x = 45,802.32 × 17,209.12
  4. Step 4: Simplify right side
    30,535.12x = 788,217,621.16
  5. Step 5: Solve for x
    x = 788,217,621.16/30,535.12
  6. Step 6: Final answer
    x = 25,813.48

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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.