Home / 56,933.60-85,328.40-21,826.40

Finding the Fourth Proportional to 56,933.60, 85,328.40 and 21,826.40

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Solution

The fourth proportional to 56,933.60, 85,328.40 and 21,826.40 is: 32,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,933.60 : 85,328.40 = 21,826.40 : x
  2. Step 2: Convert to fraction form
    56,933.60/85,328.40 = 21,826.40/x
  3. Step 3: Cross multiply
    56,933.60x = 85,328.40 × 21,826.40
  4. Step 4: Simplify right side
    56,933.60x = 1,862,411,789.76
  5. Step 5: Solve for x
    x = 1,862,411,789.76/56,933.60
  6. Step 6: Final answer
    x = 32,712.00

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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.