Home / 55,437.21-83,166.75-17,990.30

Finding the Fourth Proportional to 55,437.21, 83,166.75 and 17,990.30

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Solution

The fourth proportional to 55,437.21, 83,166.75 and 17,990.30 is: 26,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.21 : 83,166.75 = 17,990.30 : x
  2. Step 2: Convert to fraction form
    55,437.21/83,166.75 = 17,990.30/x
  3. Step 3: Cross multiply
    55,437.21x = 83,166.75 × 17,990.30
  4. Step 4: Simplify right side
    55,437.21x = 1,496,194,990.44
  5. Step 5: Solve for x
    x = 1,496,194,990.44/55,437.21
  6. Step 6: Final answer
    x = 26,989.00

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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.