Home / 32,689.74-45,111.42-19,261.56

Finding the Fourth Proportional to 32,689.74, 45,111.42 and 19,261.56

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Solution

The fourth proportional to 32,689.74, 45,111.42 and 19,261.56 is: 26,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.74 : 45,111.42 = 19,261.56 : x
  2. Step 2: Convert to fraction form
    32,689.74/45,111.42 = 19,261.56/x
  3. Step 3: Cross multiply
    32,689.74x = 45,111.42 × 19,261.56
  4. Step 4: Simplify right side
    32,689.74x = 868,916,323.02
  5. Step 5: Solve for x
    x = 868,916,323.02/32,689.74
  6. Step 6: Final answer
    x = 26,580.70

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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.