Home / 51,392.16-70,910.10-30,165.84

Finding the Fourth Proportional to 51,392.16, 70,910.10 and 30,165.84

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Solution

The fourth proportional to 51,392.16, 70,910.10 and 30,165.84 is: 41,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.16 : 70,910.10 = 30,165.84 : x
  2. Step 2: Convert to fraction form
    51,392.16/70,910.10 = 30,165.84/x
  3. Step 3: Cross multiply
    51,392.16x = 70,910.10 × 30,165.84
  4. Step 4: Simplify right side
    51,392.16x = 2,139,062,730.98
  5. Step 5: Solve for x
    x = 2,139,062,730.98/51,392.16
  6. Step 6: Final answer
    x = 41,622.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.