Home / 57,436.96-86,113.80-17,972.64

Finding the Fourth Proportional to 57,436.96, 86,113.80 and 17,972.64

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Solution

The fourth proportional to 57,436.96, 86,113.80 and 17,972.64 is: 26,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,436.96 : 86,113.80 = 17,972.64 : x
  2. Step 2: Convert to fraction form
    57,436.96/86,113.80 = 17,972.64/x
  3. Step 3: Cross multiply
    57,436.96x = 86,113.80 × 17,972.64
  4. Step 4: Simplify right side
    57,436.96x = 1,547,692,326.43
  5. Step 5: Solve for x
    x = 1,547,692,326.43/57,436.96
  6. Step 6: Final answer
    x = 26,945.93

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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.