Home / 42,608.05-58,905.40-31,979.23

Finding the Fourth Proportional to 42,608.05, 58,905.40 and 31,979.23

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Solution

The fourth proportional to 42,608.05, 58,905.40 and 31,979.23 is: 44,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608.05 : 58,905.40 = 31,979.23 : x
  2. Step 2: Convert to fraction form
    42,608.05/58,905.40 = 31,979.23/x
  3. Step 3: Cross multiply
    42,608.05x = 58,905.40 × 31,979.23
  4. Step 4: Simplify right side
    42,608.05x = 1,883,749,334.84
  5. Step 5: Solve for x
    x = 1,883,749,334.84/42,608.05
  6. Step 6: Final answer
    x = 44,211.11

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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.