Home / 56,043.99-77,336.84-31,518.47

Finding the Fourth Proportional to 56,043.99, 77,336.84 and 31,518.47

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Solution

The fourth proportional to 56,043.99, 77,336.84 and 31,518.47 is: 43,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.99 : 77,336.84 = 31,518.47 : x
  2. Step 2: Convert to fraction form
    56,043.99/77,336.84 = 31,518.47/x
  3. Step 3: Cross multiply
    56,043.99x = 77,336.84 × 31,518.47
  4. Step 4: Simplify right side
    56,043.99x = 2,437,538,728.25
  5. Step 5: Solve for x
    x = 2,437,538,728.25/56,043.99
  6. Step 6: Final answer
    x = 43,493.31

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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.