Home / 42,515.82-58,679.96-28,150.32

Finding the Fourth Proportional to 42,515.82, 58,679.96 and 28,150.32

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Solution

The fourth proportional to 42,515.82, 58,679.96 and 28,150.32 is: 38,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,515.82 : 58,679.96 = 28,150.32 : x
  2. Step 2: Convert to fraction form
    42,515.82/58,679.96 = 28,150.32/x
  3. Step 3: Cross multiply
    42,515.82x = 58,679.96 × 28,150.32
  4. Step 4: Simplify right side
    42,515.82x = 1,651,859,510.84
  5. Step 5: Solve for x
    x = 1,651,859,510.84/42,515.82
  6. Step 6: Final answer
    x = 38,852.82

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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.