Home / 56,677.88-78,215.93-31,527.38

Finding the Fourth Proportional to 56,677.88, 78,215.93 and 31,527.38

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Solution

The fourth proportional to 56,677.88, 78,215.93 and 31,527.38 is: 43,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,677.88 : 78,215.93 = 31,527.38 : x
  2. Step 2: Convert to fraction form
    56,677.88/78,215.93 = 31,527.38/x
  3. Step 3: Cross multiply
    56,677.88x = 78,215.93 × 31,527.38
  4. Step 4: Simplify right side
    56,677.88x = 2,465,942,798.45
  5. Step 5: Solve for x
    x = 2,465,942,798.45/56,677.88
  6. Step 6: Final answer
    x = 43,508.03

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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.