Home / 31,031.39-46,547.19-7,657.83

Finding the Fourth Proportional to 31,031.39, 46,547.19 and 7,657.83

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Solution

The fourth proportional to 31,031.39, 46,547.19 and 7,657.83 is: 11,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.39 : 46,547.19 = 7,657.83 : x
  2. Step 2: Convert to fraction form
    31,031.39/46,547.19 = 7,657.83/x
  3. Step 3: Cross multiply
    31,031.39x = 46,547.19 × 7,657.83
  4. Step 4: Simplify right side
    31,031.39x = 356,450,468.00
  5. Step 5: Solve for x
    x = 356,450,468.00/31,031.39
  6. Step 6: Final answer
    x = 11,486.77

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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.