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Finding the Fourth Proportional to 50,985.92, 70,384.16 and 34,018.24

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Solution

The fourth proportional to 50,985.92, 70,384.16 and 34,018.24 is: 46,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.92 : 70,384.16 = 34,018.24 : x
  2. Step 2: Convert to fraction form
    50,985.92/70,384.16 = 34,018.24/x
  3. Step 3: Cross multiply
    50,985.92x = 70,384.16 × 34,018.24
  4. Step 4: Simplify right side
    50,985.92x = 2,394,345,247.08
  5. Step 5: Solve for x
    x = 2,394,345,247.08/50,985.92
  6. Step 6: Final answer
    x = 46,960.91

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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.