Home / 51,337.64-77,050.20-30,246.80

Finding the Fourth Proportional to 51,337.64, 77,050.20 and 30,246.80

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Solution

The fourth proportional to 51,337.64, 77,050.20 and 30,246.80 is: 45,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,337.64 : 77,050.20 = 30,246.80 : x
  2. Step 2: Convert to fraction form
    51,337.64/77,050.20 = 30,246.80/x
  3. Step 3: Cross multiply
    51,337.64x = 77,050.20 × 30,246.80
  4. Step 4: Simplify right side
    51,337.64x = 2,330,521,989.36
  5. Step 5: Solve for x
    x = 2,330,521,989.36/51,337.64
  6. Step 6: Final answer
    x = 45,395.97

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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.