Home / 40,625.40-60,938.10-30,783.90

Finding the Fourth Proportional to 40,625.40, 60,938.10 and 30,783.90

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Solution

The fourth proportional to 40,625.40, 60,938.10 and 30,783.90 is: 46,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,625.40 : 60,938.10 = 30,783.90 : x
  2. Step 2: Convert to fraction form
    40,625.40/60,938.10 = 30,783.90/x
  3. Step 3: Cross multiply
    40,625.40x = 60,938.10 × 30,783.90
  4. Step 4: Simplify right side
    40,625.40x = 1,875,912,376.59
  5. Step 5: Solve for x
    x = 1,875,912,376.59/40,625.40
  6. Step 6: Final answer
    x = 46,175.85

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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.