Home / 31,501.93-47,272.67-12,782.04

Finding the Fourth Proportional to 31,501.93, 47,272.67 and 12,782.04

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Solution

The fourth proportional to 31,501.93, 47,272.67 and 12,782.04 is: 19,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.93 : 47,272.67 = 12,782.04 : x
  2. Step 2: Convert to fraction form
    31,501.93/47,272.67 = 12,782.04/x
  3. Step 3: Cross multiply
    31,501.93x = 47,272.67 × 12,782.04
  4. Step 4: Simplify right side
    31,501.93x = 604,240,858.57
  5. Step 5: Solve for x
    x = 604,240,858.57/31,501.93
  6. Step 6: Final answer
    x = 19,181.08

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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.