Home / 35,265.55-48,663.36-20,155.21

Finding the Fourth Proportional to 35,265.55, 48,663.36 and 20,155.21

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Solution

The fourth proportional to 35,265.55, 48,663.36 and 20,155.21 is: 27,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,265.55 : 48,663.36 = 20,155.21 : x
  2. Step 2: Convert to fraction form
    35,265.55/48,663.36 = 20,155.21/x
  3. Step 3: Cross multiply
    35,265.55x = 48,663.36 × 20,155.21
  4. Step 4: Simplify right side
    35,265.55x = 980,820,240.11
  5. Step 5: Solve for x
    x = 980,820,240.11/35,265.55
  6. Step 6: Final answer
    x = 27,812.42

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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.