Home / 56,901.94-78,527.14-31,751.44

Finding the Fourth Proportional to 56,901.94, 78,527.14 and 31,751.44

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Solution

The fourth proportional to 56,901.94, 78,527.14 and 31,751.44 is: 43,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.94 : 78,527.14 = 31,751.44 : x
  2. Step 2: Convert to fraction form
    56,901.94/78,527.14 = 31,751.44/x
  3. Step 3: Cross multiply
    56,901.94x = 78,527.14 × 31,751.44
  4. Step 4: Simplify right side
    56,901.94x = 2,493,349,498.39
  5. Step 5: Solve for x
    x = 2,493,349,498.39/56,901.94
  6. Step 6: Final answer
    x = 43,818.36

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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.