Home / 57,276.42-85,894.02-19,826.32

Finding the Fourth Proportional to 57,276.42, 85,894.02 and 19,826.32

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Solution

The fourth proportional to 57,276.42, 85,894.02 and 19,826.32 is: 29,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.42 : 85,894.02 = 19,826.32 : x
  2. Step 2: Convert to fraction form
    57,276.42/85,894.02 = 19,826.32/x
  3. Step 3: Cross multiply
    57,276.42x = 85,894.02 × 19,826.32
  4. Step 4: Simplify right side
    57,276.42x = 1,702,962,326.61
  5. Step 5: Solve for x
    x = 1,702,962,326.61/57,276.42
  6. Step 6: Final answer
    x = 29,732.35

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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.