Home / 57,933.50-79,948.23-31,437.50

Finding the Fourth Proportional to 57,933.50, 79,948.23 and 31,437.50

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Solution

The fourth proportional to 57,933.50, 79,948.23 and 31,437.50 is: 43,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.50 : 79,948.23 = 31,437.50 : x
  2. Step 2: Convert to fraction form
    57,933.50/79,948.23 = 31,437.50/x
  3. Step 3: Cross multiply
    57,933.50x = 79,948.23 × 31,437.50
  4. Step 4: Simplify right side
    57,933.50x = 2,513,372,480.63
  5. Step 5: Solve for x
    x = 2,513,372,480.63/57,933.50
  6. Step 6: Final answer
    x = 43,383.75

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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.