Home / 47,025.36-70,549.84-21,712.64

Finding the Fourth Proportional to 47,025.36, 70,549.84 and 21,712.64

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Solution

The fourth proportional to 47,025.36, 70,549.84 and 21,712.64 is: 32,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,025.36 : 70,549.84 = 21,712.64 : x
  2. Step 2: Convert to fraction form
    47,025.36/70,549.84 = 21,712.64/x
  3. Step 3: Cross multiply
    47,025.36x = 70,549.84 × 21,712.64
  4. Step 4: Simplify right side
    47,025.36x = 1,531,823,277.98
  5. Step 5: Solve for x
    x = 1,531,823,277.98/47,025.36
  6. Step 6: Final answer
    x = 32,574.41

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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.