Home / 56,724.04-78,278.40-31,573.56

Finding the Fourth Proportional to 56,724.04, 78,278.40 and 31,573.56

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Solution

The fourth proportional to 56,724.04, 78,278.40 and 31,573.56 is: 43,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.04 : 78,278.40 = 31,573.56 : x
  2. Step 2: Convert to fraction form
    56,724.04/78,278.40 = 31,573.56/x
  3. Step 3: Cross multiply
    56,724.04x = 78,278.40 × 31,573.56
  4. Step 4: Simplify right side
    56,724.04x = 2,471,527,759.10
  5. Step 5: Solve for x
    x = 2,471,527,759.10/56,724.04
  6. Step 6: Final answer
    x = 43,571.08

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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.