Home / 40,411.63-60,616.02-12,330.55

Finding the Fourth Proportional to 40,411.63, 60,616.02 and 12,330.55

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Solution

The fourth proportional to 40,411.63, 60,616.02 and 12,330.55 is: 18,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.63 : 60,616.02 = 12,330.55 : x
  2. Step 2: Convert to fraction form
    40,411.63/60,616.02 = 12,330.55/x
  3. Step 3: Cross multiply
    40,411.63x = 60,616.02 × 12,330.55
  4. Step 4: Simplify right side
    40,411.63x = 747,428,865.41
  5. Step 5: Solve for x
    x = 747,428,865.41/40,411.63
  6. Step 6: Final answer
    x = 18,495.39

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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.