Home / 35,944.40-53,948.60-21,134.80

Finding the Fourth Proportional to 35,944.40, 53,948.60 and 21,134.80

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Solution

The fourth proportional to 35,944.40, 53,948.60 and 21,134.80 is: 31,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,944.40 : 53,948.60 = 21,134.80 : x
  2. Step 2: Convert to fraction form
    35,944.40/53,948.60 = 21,134.80/x
  3. Step 3: Cross multiply
    35,944.40x = 53,948.60 × 21,134.80
  4. Step 4: Simplify right side
    35,944.40x = 1,140,192,871.28
  5. Step 5: Solve for x
    x = 1,140,192,871.28/35,944.40
  6. Step 6: Final answer
    x = 31,721.02

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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.