Home / 35,199.39-48,569.00-20,085.15

Finding the Fourth Proportional to 35,199.39, 48,569.00 and 20,085.15

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Solution

The fourth proportional to 35,199.39, 48,569.00 and 20,085.15 is: 27,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,199.39 : 48,569.00 = 20,085.15 : x
  2. Step 2: Convert to fraction form
    35,199.39/48,569.00 = 20,085.15/x
  3. Step 3: Cross multiply
    35,199.39x = 48,569.00 × 20,085.15
  4. Step 4: Simplify right side
    35,199.39x = 975,515,549.92
  5. Step 5: Solve for x
    x = 975,515,549.92/35,199.39
  6. Step 6: Final answer
    x = 27,713.99

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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.