Home / 38,772.36-58,158.57-12,477.10

Finding the Fourth Proportional to 38,772.36, 58,158.57 and 12,477.10

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Solution

The fourth proportional to 38,772.36, 58,158.57 and 12,477.10 is: 18,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.36 : 58,158.57 = 12,477.10 : x
  2. Step 2: Convert to fraction form
    38,772.36/58,158.57 = 12,477.10/x
  3. Step 3: Cross multiply
    38,772.36x = 58,158.57 × 12,477.10
  4. Step 4: Simplify right side
    38,772.36x = 725,649,940.57
  5. Step 5: Solve for x
    x = 725,649,940.57/38,772.36
  6. Step 6: Final answer
    x = 18,715.65

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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.