Home / 50,799.35-70,137.02-31,686.80

Finding the Fourth Proportional to 50,799.35, 70,137.02 and 31,686.80

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Solution

The fourth proportional to 50,799.35, 70,137.02 and 31,686.80 is: 43,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.35 : 70,137.02 = 31,686.80 : x
  2. Step 2: Convert to fraction form
    50,799.35/70,137.02 = 31,686.80/x
  3. Step 3: Cross multiply
    50,799.35x = 70,137.02 × 31,686.80
  4. Step 4: Simplify right side
    50,799.35x = 2,222,417,216.22
  5. Step 5: Solve for x
    x = 2,222,417,216.22/50,799.35
  6. Step 6: Final answer
    x = 43,748.93

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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.