Home / 55,840.32-83,772.84-18,398.88

Finding the Fourth Proportional to 55,840.32, 83,772.84 and 18,398.88

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Solution

The fourth proportional to 55,840.32, 83,772.84 and 18,398.88 is: 27,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.32 : 83,772.84 = 18,398.88 : x
  2. Step 2: Convert to fraction form
    55,840.32/83,772.84 = 18,398.88/x
  3. Step 3: Cross multiply
    55,840.32x = 83,772.84 × 18,398.88
  4. Step 4: Simplify right side
    55,840.32x = 1,541,326,430.42
  5. Step 5: Solve for x
    x = 1,541,326,430.42/55,840.32
  6. Step 6: Final answer
    x = 27,602.39

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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.