Home / 31,271.36-46,897.28-10,490.08

Finding the Fourth Proportional to 31,271.36, 46,897.28 and 10,490.08

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Solution

The fourth proportional to 31,271.36, 46,897.28 and 10,490.08 is: 15,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.36 : 46,897.28 = 10,490.08 : x
  2. Step 2: Convert to fraction form
    31,271.36/46,897.28 = 10,490.08/x
  3. Step 3: Cross multiply
    31,271.36x = 46,897.28 × 10,490.08
  4. Step 4: Simplify right side
    31,271.36x = 491,956,218.98
  5. Step 5: Solve for x
    x = 491,956,218.98/31,271.36
  6. Step 6: Final answer
    x = 15,731.85

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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.