Home / 31,647.84-47,488.02-14,129.16

Finding the Fourth Proportional to 31,647.84, 47,488.02 and 14,129.16

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Solution

The fourth proportional to 31,647.84, 47,488.02 and 14,129.16 is: 21,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.84 : 47,488.02 = 14,129.16 : x
  2. Step 2: Convert to fraction form
    31,647.84/47,488.02 = 14,129.16/x
  3. Step 3: Cross multiply
    31,647.84x = 47,488.02 × 14,129.16
  4. Step 4: Simplify right side
    31,647.84x = 670,965,832.66
  5. Step 5: Solve for x
    x = 670,965,832.66/31,647.84
  6. Step 6: Final answer
    x = 21,201.00

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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.