Home / 56,286.09-77,673.74-31,135.59

Finding the Fourth Proportional to 56,286.09, 77,673.74 and 31,135.59

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Solution

The fourth proportional to 56,286.09, 77,673.74 and 31,135.59 is: 42,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286.09 : 77,673.74 = 31,135.59 : x
  2. Step 2: Convert to fraction form
    56,286.09/77,673.74 = 31,135.59/x
  3. Step 3: Cross multiply
    56,286.09x = 77,673.74 × 31,135.59
  4. Step 4: Simplify right side
    56,286.09x = 2,418,417,566.73
  5. Step 5: Solve for x
    x = 2,418,417,566.73/56,286.09
  6. Step 6: Final answer
    x = 42,966.52

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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.