Home / 75,064.31-112,592.51-18,904.38

Finding the Fourth Proportional to 75,064.31, 112,592.51 and 18,904.38

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Solution

The fourth proportional to 75,064.31, 112,592.51 and 18,904.38 is: 28,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064.31 : 112,592.51 = 18,904.38 : x
  2. Step 2: Convert to fraction form
    75,064.31/112,592.51 = 18,904.38/x
  3. Step 3: Cross multiply
    75,064.31x = 112,592.51 × 18,904.38
  4. Step 4: Simplify right side
    75,064.31x = 2,128,491,594.19
  5. Step 5: Solve for x
    x = 2,128,491,594.19/75,064.31
  6. Step 6: Final answer
    x = 28,355.57

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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.