Home / 35,477.04-48,961.60-20,371.68

Finding the Fourth Proportional to 35,477.04, 48,961.60 and 20,371.68

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Solution

The fourth proportional to 35,477.04, 48,961.60 and 20,371.68 is: 28,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.04 : 48,961.60 = 20,371.68 : x
  2. Step 2: Convert to fraction form
    35,477.04/48,961.60 = 20,371.68/x
  3. Step 3: Cross multiply
    35,477.04x = 48,961.60 × 20,371.68
  4. Step 4: Simplify right side
    35,477.04x = 997,430,047.49
  5. Step 5: Solve for x
    x = 997,430,047.49/35,477.04
  6. Step 6: Final answer
    x = 28,114.80

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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.