Home / 35,203.75-48,569.21-20,085.55

Finding the Fourth Proportional to 35,203.75, 48,569.21 and 20,085.55

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Solution

The fourth proportional to 35,203.75, 48,569.21 and 20,085.55 is: 27,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,203.75 : 48,569.21 = 20,085.55 : x
  2. Step 2: Convert to fraction form
    35,203.75/48,569.21 = 20,085.55/x
  3. Step 3: Cross multiply
    35,203.75x = 48,569.21 × 20,085.55
  4. Step 4: Simplify right side
    35,203.75x = 975,539,295.92
  5. Step 5: Solve for x
    x = 975,539,295.92/35,203.75
  6. Step 6: Final answer
    x = 27,711.23

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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.