Home / 31,248.02-46,872.34-7,874.46

Finding the Fourth Proportional to 31,248.02, 46,872.34 and 7,874.46

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Solution

The fourth proportional to 31,248.02, 46,872.34 and 7,874.46 is: 11,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.02 : 46,872.34 = 7,874.46 : x
  2. Step 2: Convert to fraction form
    31,248.02/46,872.34 = 7,874.46/x
  3. Step 3: Cross multiply
    31,248.02x = 46,872.34 × 7,874.46
  4. Step 4: Simplify right side
    31,248.02x = 369,094,346.75
  5. Step 5: Solve for x
    x = 369,094,346.75/31,248.02
  6. Step 6: Final answer
    x = 11,811.77

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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.