Home / 51,325.28-70,314.46-49,406.39

Finding the Fourth Proportional to 51,325.28, 70,314.46 and 49,406.39

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Solution

The fourth proportional to 51,325.28, 70,314.46 and 49,406.39 is: 67,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325.28 : 70,314.46 = 49,406.39 : x
  2. Step 2: Convert to fraction form
    51,325.28/70,314.46 = 49,406.39/x
  3. Step 3: Cross multiply
    51,325.28x = 70,314.46 × 49,406.39
  4. Step 4: Simplify right side
    51,325.28x = 3,473,983,421.99
  5. Step 5: Solve for x
    x = 3,473,983,421.99/51,325.28
  6. Step 6: Final answer
    x = 67,685.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.