Home / 51,060.30-70,462.65-28,399.14

Finding the Fourth Proportional to 51,060.30, 70,462.65 and 28,399.14

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Solution

The fourth proportional to 51,060.30, 70,462.65 and 28,399.14 is: 39,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,060.30 : 70,462.65 = 28,399.14 : x
  2. Step 2: Convert to fraction form
    51,060.30/70,462.65 = 28,399.14/x
  3. Step 3: Cross multiply
    51,060.30x = 70,462.65 × 28,399.14
  4. Step 4: Simplify right side
    51,060.30x = 2,001,078,662.12
  5. Step 5: Solve for x
    x = 2,001,078,662.12/51,060.30
  6. Step 6: Final answer
    x = 39,190.50

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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.