Home / 31,259.93-46,888.22-8,772.13

Finding the Fourth Proportional to 31,259.93, 46,888.22 and 8,772.13

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Solution

The fourth proportional to 31,259.93, 46,888.22 and 8,772.13 is: 13,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.93 : 46,888.22 = 8,772.13 : x
  2. Step 2: Convert to fraction form
    31,259.93/46,888.22 = 8,772.13/x
  3. Step 3: Cross multiply
    31,259.93x = 46,888.22 × 8,772.13
  4. Step 4: Simplify right side
    31,259.93x = 411,309,592.51
  5. Step 5: Solve for x
    x = 411,309,592.51/31,259.93
  6. Step 6: Final answer
    x = 13,157.73

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1.5x scale

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.