Home / 51,414.24-77,127.60-14,478.24

Finding the Fourth Proportional to 51,414.24, 77,127.60 and 14,478.24

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Solution

The fourth proportional to 51,414.24, 77,127.60 and 14,478.24 is: 21,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.24 : 77,127.60 = 14,478.24 : x
  2. Step 2: Convert to fraction form
    51,414.24/77,127.60 = 14,478.24/x
  3. Step 3: Cross multiply
    51,414.24x = 77,127.60 × 14,478.24
  4. Step 4: Simplify right side
    51,414.24x = 1,116,671,903.42
  5. Step 5: Solve for x
    x = 1,116,671,903.42/51,414.24
  6. Step 6: Final answer
    x = 21,719.12

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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.