Home / 31,287.06-46,929.78-10,510.56

Finding the Fourth Proportional to 31,287.06, 46,929.78 and 10,510.56

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Solution

The fourth proportional to 31,287.06, 46,929.78 and 10,510.56 is: 15,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.06 : 46,929.78 = 10,510.56 : x
  2. Step 2: Convert to fraction form
    31,287.06/46,929.78 = 10,510.56/x
  3. Step 3: Cross multiply
    31,287.06x = 46,929.78 × 10,510.56
  4. Step 4: Simplify right side
    31,287.06x = 493,258,268.48
  5. Step 5: Solve for x
    x = 493,258,268.48/31,287.06
  6. Step 6: Final answer
    x = 15,765.57

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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.