Home / 51,014.64-70,401.40-28,354.58

Finding the Fourth Proportional to 51,014.64, 70,401.40 and 28,354.58

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Solution

The fourth proportional to 51,014.64, 70,401.40 and 28,354.58 is: 39,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.64 : 70,401.40 = 28,354.58 : x
  2. Step 2: Convert to fraction form
    51,014.64/70,401.40 = 28,354.58/x
  3. Step 3: Cross multiply
    51,014.64x = 70,401.40 × 28,354.58
  4. Step 4: Simplify right side
    51,014.64x = 1,996,202,365.53
  5. Step 5: Solve for x
    x = 1,996,202,365.53/51,014.64
  6. Step 6: Final answer
    x = 39,129.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.