Home / 30,230.48-45,283.35-17,712.49

Finding the Fourth Proportional to 30,230.48, 45,283.35 and 17,712.49

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Solution

The fourth proportional to 30,230.48, 45,283.35 and 17,712.49 is: 26,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.48 : 45,283.35 = 17,712.49 : x
  2. Step 2: Convert to fraction form
    30,230.48/45,283.35 = 17,712.49/x
  3. Step 3: Cross multiply
    30,230.48x = 45,283.35 × 17,712.49
  4. Step 4: Simplify right side
    30,230.48x = 802,080,922.16
  5. Step 5: Solve for x
    x = 802,080,922.16/30,230.48
  6. Step 6: Final answer
    x = 26,532.19

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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.