Home / 42,378.70-58,504.36-29,859.34

Finding the Fourth Proportional to 42,378.70, 58,504.36 and 29,859.34

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Solution

The fourth proportional to 42,378.70, 58,504.36 and 29,859.34 is: 41,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.70 : 58,504.36 = 29,859.34 : x
  2. Step 2: Convert to fraction form
    42,378.70/58,504.36 = 29,859.34/x
  3. Step 3: Cross multiply
    42,378.70x = 58,504.36 × 29,859.34
  4. Step 4: Simplify right side
    42,378.70x = 1,746,901,576.72
  5. Step 5: Solve for x
    x = 1,746,901,576.72/42,378.70
  6. Step 6: Final answer
    x = 41,221.22

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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.