Home / 39,346.75-58,987.95-18,299.91

Finding the Fourth Proportional to 39,346.75, 58,987.95 and 18,299.91

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Solution

The fourth proportional to 39,346.75, 58,987.95 and 18,299.91 is: 27,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.75 : 58,987.95 = 18,299.91 : x
  2. Step 2: Convert to fraction form
    39,346.75/58,987.95 = 18,299.91/x
  3. Step 3: Cross multiply
    39,346.75x = 58,987.95 × 18,299.91
  4. Step 4: Simplify right side
    39,346.75x = 1,079,474,176.08
  5. Step 5: Solve for x
    x = 1,079,474,176.08/39,346.75
  6. Step 6: Final answer
    x = 27,434.90

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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.