Home / 31,389.96-47,074.94-10,325.18

Finding the Fourth Proportional to 31,389.96, 47,074.94 and 10,325.18

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Solution

The fourth proportional to 31,389.96, 47,074.94 and 10,325.18 is: 15,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.96 : 47,074.94 = 10,325.18 : x
  2. Step 2: Convert to fraction form
    31,389.96/47,074.94 = 10,325.18/x
  3. Step 3: Cross multiply
    31,389.96x = 47,074.94 × 10,325.18
  4. Step 4: Simplify right side
    31,389.96x = 486,057,228.99
  5. Step 5: Solve for x
    x = 486,057,228.99/31,389.96
  6. Step 6: Final answer
    x = 15,484.48

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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.