Home / 55,109.40-82,598.47-38,378.85

Finding the Fourth Proportional to 55,109.40, 82,598.47 and 38,378.85

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Solution

The fourth proportional to 55,109.40, 82,598.47 and 38,378.85 is: 57,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.40 : 82,598.47 = 38,378.85 : x
  2. Step 2: Convert to fraction form
    55,109.40/82,598.47 = 38,378.85/x
  3. Step 3: Cross multiply
    55,109.40x = 82,598.47 × 38,378.85
  4. Step 4: Simplify right side
    55,109.40x = 3,170,033,884.67
  5. Step 5: Solve for x
    x = 3,170,033,884.67/55,109.40
  6. Step 6: Final answer
    x = 57,522.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.