Home / 55,089.99-82,635.53-21,818.16

Finding the Fourth Proportional to 55,089.99, 82,635.53 and 21,818.16

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Solution

The fourth proportional to 55,089.99, 82,635.53 and 21,818.16 is: 32,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,089.99 : 82,635.53 = 21,818.16 : x
  2. Step 2: Convert to fraction form
    55,089.99/82,635.53 = 21,818.16/x
  3. Step 3: Cross multiply
    55,089.99x = 82,635.53 × 21,818.16
  4. Step 4: Simplify right side
    55,089.99x = 1,802,955,106.13
  5. Step 5: Solve for x
    x = 1,802,955,106.13/55,089.99
  6. Step 6: Final answer
    x = 32,727.45

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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.