Home / 103,038.07-154,579.24-31,959.22

Finding the Fourth Proportional to 103,038.07, 154,579.24 and 31,959.22

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Solution

The fourth proportional to 103,038.07, 154,579.24 and 31,959.22 is: 47,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,038.07 : 154,579.24 = 31,959.22 : x
  2. Step 2: Convert to fraction form
    103,038.07/154,579.24 = 31,959.22/x
  3. Step 3: Cross multiply
    103,038.07x = 154,579.24 × 31,959.22
  4. Step 4: Simplify right side
    103,038.07x = 4,940,231,592.09
  5. Step 5: Solve for x
    x = 4,940,231,592.09/103,038.07
  6. Step 6: Final answer
    x = 47,945.69

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1.5x scale

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.