Home / 31,407.48-43,340.50-17,260.32

Finding the Fourth Proportional to 31,407.48, 43,340.50 and 17,260.32

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Solution

The fourth proportional to 31,407.48, 43,340.50 and 17,260.32 is: 23,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.48 : 43,340.50 = 17,260.32 : x
  2. Step 2: Convert to fraction form
    31,407.48/43,340.50 = 17,260.32/x
  3. Step 3: Cross multiply
    31,407.48x = 43,340.50 × 17,260.32
  4. Step 4: Simplify right side
    31,407.48x = 748,071,083.06
  5. Step 5: Solve for x
    x = 748,071,083.06/31,407.48
  6. Step 6: Final answer
    x = 23,818.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.