Home / 40,867.10-61,284.64-15,903.84

Finding the Fourth Proportional to 40,867.10, 61,284.64 and 15,903.84

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Solution

The fourth proportional to 40,867.10, 61,284.64 and 15,903.84 is: 23,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.10 : 61,284.64 = 15,903.84 : x
  2. Step 2: Convert to fraction form
    40,867.10/61,284.64 = 15,903.84/x
  3. Step 3: Cross multiply
    40,867.10x = 61,284.64 × 15,903.84
  4. Step 4: Simplify right side
    40,867.10x = 974,661,109.02
  5. Step 5: Solve for x
    x = 974,661,109.02/40,867.10
  6. Step 6: Final answer
    x = 23,849.53

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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.