Home / 39,560.12-59,307.66-18,489.72

Finding the Fourth Proportional to 39,560.12, 59,307.66 and 18,489.72

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Solution

The fourth proportional to 39,560.12, 59,307.66 and 18,489.72 is: 27,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.12 : 59,307.66 = 18,489.72 : x
  2. Step 2: Convert to fraction form
    39,560.12/59,307.66 = 18,489.72/x
  3. Step 3: Cross multiply
    39,560.12x = 59,307.66 × 18,489.72
  4. Step 4: Simplify right side
    39,560.12x = 1,096,582,027.26
  5. Step 5: Solve for x
    x = 1,096,582,027.26/39,560.12
  6. Step 6: Final answer
    x = 27,719.38

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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.