Home / 35,516.80-53,275.20-29,879.20

Finding the Fourth Proportional to 35,516.80, 53,275.20 and 29,879.20

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Solution

The fourth proportional to 35,516.80, 53,275.20 and 29,879.20 is: 44,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.80 : 53,275.20 = 29,879.20 : x
  2. Step 2: Convert to fraction form
    35,516.80/53,275.20 = 29,879.20/x
  3. Step 3: Cross multiply
    35,516.80x = 53,275.20 × 29,879.20
  4. Step 4: Simplify right side
    35,516.80x = 1,591,820,355.84
  5. Step 5: Solve for x
    x = 1,591,820,355.84/35,516.80
  6. Step 6: Final answer
    x = 44,818.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.