Home / 57,322.74-79,107.84-31,829.10

Finding the Fourth Proportional to 57,322.74, 79,107.84 and 31,829.10

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Solution

The fourth proportional to 57,322.74, 79,107.84 and 31,829.10 is: 43,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.74 : 79,107.84 = 31,829.10 : x
  2. Step 2: Convert to fraction form
    57,322.74/79,107.84 = 31,829.10/x
  3. Step 3: Cross multiply
    57,322.74x = 79,107.84 × 31,829.10
  4. Step 4: Simplify right side
    57,322.74x = 2,517,931,350.14
  5. Step 5: Solve for x
    x = 2,517,931,350.14/57,322.74
  6. Step 6: Final answer
    x = 43,925.52

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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.