Home / 40,030.14-60,045.21-10,447.72

Finding the Fourth Proportional to 40,030.14, 60,045.21 and 10,447.72

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Solution

The fourth proportional to 40,030.14, 60,045.21 and 10,447.72 is: 15,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.14 : 60,045.21 = 10,447.72 : x
  2. Step 2: Convert to fraction form
    40,030.14/60,045.21 = 10,447.72/x
  3. Step 3: Cross multiply
    40,030.14x = 60,045.21 × 10,447.72
  4. Step 4: Simplify right side
    40,030.14x = 627,335,391.31
  5. Step 5: Solve for x
    x = 627,335,391.31/40,030.14
  6. Step 6: Final answer
    x = 15,671.58

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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.