Home / 42,619.14-58,740.93-31,990.32

Finding the Fourth Proportional to 42,619.14, 58,740.93 and 31,990.32

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Solution

The fourth proportional to 42,619.14, 58,740.93 and 31,990.32 is: 44,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619.14 : 58,740.93 = 31,990.32 : x
  2. Step 2: Convert to fraction form
    42,619.14/58,740.93 = 31,990.32/x
  3. Step 3: Cross multiply
    42,619.14x = 58,740.93 × 31,990.32
  4. Step 4: Simplify right side
    42,619.14x = 1,879,141,147.80
  5. Step 5: Solve for x
    x = 1,879,141,147.80/42,619.14
  6. Step 6: Final answer
    x = 44,091.48

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Similar ratio
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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.