Home / 34,153.17-47,135.69-20,723.64

Finding the Fourth Proportional to 34,153.17, 47,135.69 and 20,723.64

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Solution

The fourth proportional to 34,153.17, 47,135.69 and 20,723.64 is: 28,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,153.17 : 47,135.69 = 20,723.64 : x
  2. Step 2: Convert to fraction form
    34,153.17/47,135.69 = 20,723.64/x
  3. Step 3: Cross multiply
    34,153.17x = 47,135.69 × 20,723.64
  4. Step 4: Simplify right side
    34,153.17x = 976,823,070.71
  5. Step 5: Solve for x
    x = 976,823,070.71/34,153.17
  6. Step 6: Final answer
    x = 28,601.24

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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.