Home / 51,079.55-76,602.81-18,617.13

Finding the Fourth Proportional to 51,079.55, 76,602.81 and 18,617.13

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Solution

The fourth proportional to 51,079.55, 76,602.81 and 18,617.13 is: 27,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.55 : 76,602.81 = 18,617.13 : x
  2. Step 2: Convert to fraction form
    51,079.55/76,602.81 = 18,617.13/x
  3. Step 3: Cross multiply
    51,079.55x = 76,602.81 × 18,617.13
  4. Step 4: Simplify right side
    51,079.55x = 1,426,124,472.14
  5. Step 5: Solve for x
    x = 1,426,124,472.14/51,079.55
  6. Step 6: Final answer
    x = 27,919.68

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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.