Home / 35,263.68-48,656.88-20,155.56

Finding the Fourth Proportional to 35,263.68, 48,656.88 and 20,155.56

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Solution

The fourth proportional to 35,263.68, 48,656.88 and 20,155.56 is: 27,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,263.68 : 48,656.88 = 20,155.56 : x
  2. Step 2: Convert to fraction form
    35,263.68/48,656.88 = 20,155.56/x
  3. Step 3: Cross multiply
    35,263.68x = 48,656.88 × 20,155.56
  4. Step 4: Simplify right side
    35,263.68x = 980,706,664.25
  5. Step 5: Solve for x
    x = 980,706,664.25/35,263.68
  6. Step 6: Final answer
    x = 27,810.67

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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.