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Finding the Fourth Proportional to 35,605.74, 53,412.22 and 9,310.70

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Solution

The fourth proportional to 35,605.74, 53,412.22 and 9,310.70 is: 13,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.74 : 53,412.22 = 9,310.70 : x
  2. Step 2: Convert to fraction form
    35,605.74/53,412.22 = 9,310.70/x
  3. Step 3: Cross multiply
    35,605.74x = 53,412.22 × 9,310.70
  4. Step 4: Simplify right side
    35,605.74x = 497,305,156.75
  5. Step 5: Solve for x
    x = 497,305,156.75/35,605.74
  6. Step 6: Final answer
    x = 13,966.99

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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.