Home / 58,258.32-87,199.49-30,139.65

Finding the Fourth Proportional to 58,258.32, 87,199.49 and 30,139.65

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Solution

The fourth proportional to 58,258.32, 87,199.49 and 30,139.65 is: 45,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,258.32 : 87,199.49 = 30,139.65 : x
  2. Step 2: Convert to fraction form
    58,258.32/87,199.49 = 30,139.65/x
  3. Step 3: Cross multiply
    58,258.32x = 87,199.49 × 30,139.65
  4. Step 4: Simplify right side
    58,258.32x = 2,628,161,958.08
  5. Step 5: Solve for x
    x = 2,628,161,958.08/58,258.32
  6. Step 6: Final answer
    x = 45,112.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.