Home / 31,421.18-47,126.41-10,361.45

Finding the Fourth Proportional to 31,421.18, 47,126.41 and 10,361.45

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Solution

The fourth proportional to 31,421.18, 47,126.41 and 10,361.45 is: 15,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.18 : 47,126.41 = 10,361.45 : x
  2. Step 2: Convert to fraction form
    31,421.18/47,126.41 = 10,361.45/x
  3. Step 3: Cross multiply
    31,421.18x = 47,126.41 × 10,361.45
  4. Step 4: Simplify right side
    31,421.18x = 488,298,032.81
  5. Step 5: Solve for x
    x = 488,298,032.81/31,421.18
  6. Step 6: Final answer
    x = 15,540.41

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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.