Home / 44,447.40-66,816.90-31,390.20

Finding the Fourth Proportional to 44,447.40, 66,816.90 and 31,390.20

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Solution

The fourth proportional to 44,447.40, 66,816.90 and 31,390.20 is: 47,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,447.40 : 66,816.90 = 31,390.20 : x
  2. Step 2: Convert to fraction form
    44,447.40/66,816.90 = 31,390.20/x
  3. Step 3: Cross multiply
    44,447.40x = 66,816.90 × 31,390.20
  4. Step 4: Simplify right side
    44,447.40x = 2,097,395,854.38
  5. Step 5: Solve for x
    x = 2,097,395,854.38/44,447.40
  6. Step 6: Final answer
    x = 47,188.27

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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.