Home / 31,335.12-46,988.84-14,681.72

Finding the Fourth Proportional to 31,335.12, 46,988.84 and 14,681.72

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Solution

The fourth proportional to 31,335.12, 46,988.84 and 14,681.72 is: 22,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.12 : 46,988.84 = 14,681.72 : x
  2. Step 2: Convert to fraction form
    31,335.12/46,988.84 = 14,681.72/x
  3. Step 3: Cross multiply
    31,335.12x = 46,988.84 × 14,681.72
  4. Step 4: Simplify right side
    31,335.12x = 689,876,918.60
  5. Step 5: Solve for x
    x = 689,876,918.60/31,335.12
  6. Step 6: Final answer
    x = 22,016.10

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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.