Home / 57,298.10-85,947.17-17,858.39

Finding the Fourth Proportional to 57,298.10, 85,947.17 and 17,858.39

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Solution

The fourth proportional to 57,298.10, 85,947.17 and 17,858.39 is: 26,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.10 : 85,947.17 = 17,858.39 : x
  2. Step 2: Convert to fraction form
    57,298.10/85,947.17 = 17,858.39/x
  3. Step 3: Cross multiply
    57,298.10x = 85,947.17 × 17,858.39
  4. Step 4: Simplify right side
    57,298.10x = 1,534,877,562.23
  5. Step 5: Solve for x
    x = 1,534,877,562.23/57,298.10
  6. Step 6: Final answer
    x = 26,787.58

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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.