Home / 53,416.38-80,011.54-34,640.64

Finding the Fourth Proportional to 53,416.38, 80,011.54 and 34,640.64

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Solution

The fourth proportional to 53,416.38, 80,011.54 and 34,640.64 is: 51,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416.38 : 80,011.54 = 34,640.64 : x
  2. Step 2: Convert to fraction form
    53,416.38/80,011.54 = 34,640.64/x
  3. Step 3: Cross multiply
    53,416.38x = 80,011.54 × 34,640.64
  4. Step 4: Simplify right side
    53,416.38x = 2,771,650,952.99
  5. Step 5: Solve for x
    x = 2,771,650,952.99/53,416.38
  6. Step 6: Final answer
    x = 51,887.66

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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.