Home / 51,713.82-77,417.64-31,928.76

Finding the Fourth Proportional to 51,713.82, 77,417.64 and 31,928.76

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Solution

The fourth proportional to 51,713.82, 77,417.64 and 31,928.76 is: 47,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,713.82 : 77,417.64 = 31,928.76 : x
  2. Step 2: Convert to fraction form
    51,713.82/77,417.64 = 31,928.76/x
  3. Step 3: Cross multiply
    51,713.82x = 77,417.64 × 31,928.76
  4. Step 4: Simplify right side
    51,713.82x = 2,471,849,247.33
  5. Step 5: Solve for x
    x = 2,471,849,247.33/51,713.82
  6. Step 6: Final answer
    x = 47,798.62

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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.