Home / 35,861.64-53,816.94-12,488.07

Finding the Fourth Proportional to 35,861.64, 53,816.94 and 12,488.07

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Solution

The fourth proportional to 35,861.64, 53,816.94 and 12,488.07 is: 18,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.64 : 53,816.94 = 12,488.07 : x
  2. Step 2: Convert to fraction form
    35,861.64/53,816.94 = 12,488.07/x
  3. Step 3: Cross multiply
    35,861.64x = 53,816.94 × 12,488.07
  4. Step 4: Simplify right side
    35,861.64x = 672,069,713.91
  5. Step 5: Solve for x
    x = 672,069,713.91/35,861.64
  6. Step 6: Final answer
    x = 18,740.63

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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.