Home / 57,033.90-78,707.28-31,538.94

Finding the Fourth Proportional to 57,033.90, 78,707.28 and 31,538.94

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Solution

The fourth proportional to 57,033.90, 78,707.28 and 31,538.94 is: 43,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.90 : 78,707.28 = 31,538.94 : x
  2. Step 2: Convert to fraction form
    57,033.90/78,707.28 = 31,538.94/x
  3. Step 3: Cross multiply
    57,033.90x = 78,707.28 × 31,538.94
  4. Step 4: Simplify right side
    57,033.90x = 2,482,344,181.48
  5. Step 5: Solve for x
    x = 2,482,344,181.48/57,033.90
  6. Step 6: Final answer
    x = 43,524.01

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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.