Home / 31,309.35-46,973.75-28,001.31

Finding the Fourth Proportional to 31,309.35, 46,973.75 and 28,001.31

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Solution

The fourth proportional to 31,309.35, 46,973.75 and 28,001.31 is: 42,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.35 : 46,973.75 = 28,001.31 : x
  2. Step 2: Convert to fraction form
    31,309.35/46,973.75 = 28,001.31/x
  3. Step 3: Cross multiply
    31,309.35x = 46,973.75 × 28,001.31
  4. Step 4: Simplify right side
    31,309.35x = 1,315,326,395.61
  5. Step 5: Solve for x
    x = 1,315,326,395.61/31,309.35
  6. Step 6: Final answer
    x = 42,010.66

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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.