Home / 56,670.50-78,205.29-31,519.46

Finding the Fourth Proportional to 56,670.50, 78,205.29 and 31,519.46

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Solution

The fourth proportional to 56,670.50, 78,205.29 and 31,519.46 is: 43,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670.50 : 78,205.29 = 31,519.46 : x
  2. Step 2: Convert to fraction form
    56,670.50/78,205.29 = 31,519.46/x
  3. Step 3: Cross multiply
    56,670.50x = 78,205.29 × 31,519.46
  4. Step 4: Simplify right side
    56,670.50x = 2,464,988,509.94
  5. Step 5: Solve for x
    x = 2,464,988,509.94/56,670.50
  6. Step 6: Final answer
    x = 43,496.85

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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.