Home / 56,723.84-78,283.52-31,573.76

Finding the Fourth Proportional to 56,723.84, 78,283.52 and 31,573.76

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Solution

The fourth proportional to 56,723.84, 78,283.52 and 31,573.76 is: 43,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.84 : 78,283.52 = 31,573.76 : x
  2. Step 2: Convert to fraction form
    56,723.84/78,283.52 = 31,573.76/x
  3. Step 3: Cross multiply
    56,723.84x = 78,283.52 × 31,573.76
  4. Step 4: Simplify right side
    56,723.84x = 2,471,705,072.44
  5. Step 5: Solve for x
    x = 2,471,705,072.44/56,723.84
  6. Step 6: Final answer
    x = 43,574.36

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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.