Home / 52,201.74-72,038.19-30,998.46

Finding the Fourth Proportional to 52,201.74, 72,038.19 and 30,998.46

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Solution

The fourth proportional to 52,201.74, 72,038.19 and 30,998.46 is: 42,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.74 : 72,038.19 = 30,998.46 : x
  2. Step 2: Convert to fraction form
    52,201.74/72,038.19 = 30,998.46/x
  3. Step 3: Cross multiply
    52,201.74x = 72,038.19 × 30,998.46
  4. Step 4: Simplify right side
    52,201.74x = 2,233,072,951.19
  5. Step 5: Solve for x
    x = 2,233,072,951.19/52,201.74
  6. Step 6: Final answer
    x = 42,777.75

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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.