Home / 40,384.84-60,583.02-12,685

Finding the Fourth Proportional to 40,384.84, 60,583.02 and 12,685

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Solution

The fourth proportional to 40,384.84, 60,583.02 and 12,685 is: 19,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.84 : 60,583.02 = 12,685 : x
  2. Step 2: Convert to fraction form
    40,384.84/60,583.02 = 12,685/x
  3. Step 3: Cross multiply
    40,384.84x = 60,583.02 × 12,685
  4. Step 4: Simplify right side
    40,384.84x = 768,495,608.70
  5. Step 5: Solve for x
    x = 768,495,608.70/40,384.84
  6. Step 6: Final answer
    x = 19,029.31

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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.