Home / 40,612.72-60,929.56-12,532.16

Finding the Fourth Proportional to 40,612.72, 60,929.56 and 12,532.16

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Solution

The fourth proportional to 40,612.72, 60,929.56 and 12,532.16 is: 18,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,612.72 : 60,929.56 = 12,532.16 : x
  2. Step 2: Convert to fraction form
    40,612.72/60,929.56 = 12,532.16/x
  3. Step 3: Cross multiply
    40,612.72x = 60,929.56 × 12,532.16
  4. Step 4: Simplify right side
    40,612.72x = 763,578,994.65
  5. Step 5: Solve for x
    x = 763,578,994.65/40,612.72
  6. Step 6: Final answer
    x = 18,801.47

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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.