Home / 51,096.40-70,519.56-28,740.24

Finding the Fourth Proportional to 51,096.40, 70,519.56 and 28,740.24

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Solution

The fourth proportional to 51,096.40, 70,519.56 and 28,740.24 is: 39,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,096.40 : 70,519.56 = 28,740.24 : x
  2. Step 2: Convert to fraction form
    51,096.40/70,519.56 = 28,740.24/x
  3. Step 3: Cross multiply
    51,096.40x = 70,519.56 × 28,740.24
  4. Step 4: Simplify right side
    51,096.40x = 2,026,749,079.09
  5. Step 5: Solve for x
    x = 2,026,749,079.09/51,096.40
  6. Step 6: Final answer
    x = 39,665.20

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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.