Home / 56,335.68-84,586.32-31,424.40

Finding the Fourth Proportional to 56,335.68, 84,586.32 and 31,424.40

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Solution

The fourth proportional to 56,335.68, 84,586.32 and 31,424.40 is: 47,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335.68 : 84,586.32 = 31,424.40 : x
  2. Step 2: Convert to fraction form
    56,335.68/84,586.32 = 31,424.40/x
  3. Step 3: Cross multiply
    56,335.68x = 84,586.32 × 31,424.40
  4. Step 4: Simplify right side
    56,335.68x = 2,658,074,354.21
  5. Step 5: Solve for x
    x = 2,658,074,354.21/56,335.68
  6. Step 6: Final answer
    x = 47,182.79

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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.