Home / 56,403.24-77,836.59-31,252.74

Finding the Fourth Proportional to 56,403.24, 77,836.59 and 31,252.74

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Solution

The fourth proportional to 56,403.24, 77,836.59 and 31,252.74 is: 43,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,403.24 : 77,836.59 = 31,252.74 : x
  2. Step 2: Convert to fraction form
    56,403.24/77,836.59 = 31,252.74/x
  3. Step 3: Cross multiply
    56,403.24x = 77,836.59 × 31,252.74
  4. Step 4: Simplify right side
    56,403.24x = 2,432,606,709.76
  5. Step 5: Solve for x
    x = 2,432,606,709.76/56,403.24
  6. Step 6: Final answer
    x = 43,128.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.