Home / 59,715.90-82,401.03-40,880.70

Finding the Fourth Proportional to 59,715.90, 82,401.03 and 40,880.70

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Solution

The fourth proportional to 59,715.90, 82,401.03 and 40,880.70 is: 56,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,715.90 : 82,401.03 = 40,880.70 : x
  2. Step 2: Convert to fraction form
    59,715.90/82,401.03 = 40,880.70/x
  3. Step 3: Cross multiply
    59,715.90x = 82,401.03 × 40,880.70
  4. Step 4: Simplify right side
    59,715.90x = 3,368,611,787.12
  5. Step 5: Solve for x
    x = 3,368,611,787.12/59,715.90
  6. Step 6: Final answer
    x = 56,410.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.