Home / 31,262.28-46,889.10-7,887.30

Finding the Fourth Proportional to 31,262.28, 46,889.10 and 7,887.30

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Solution

The fourth proportional to 31,262.28, 46,889.10 and 7,887.30 is: 11,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.28 : 46,889.10 = 7,887.30 : x
  2. Step 2: Convert to fraction form
    31,262.28/46,889.10 = 7,887.30/x
  3. Step 3: Cross multiply
    31,262.28x = 46,889.10 × 7,887.30
  4. Step 4: Simplify right side
    31,262.28x = 369,828,398.43
  5. Step 5: Solve for x
    x = 369,828,398.43/31,262.28
  6. Step 6: Final answer
    x = 11,829.86

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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.