Home / 51,151.01-70,590.56-28,489.99

Finding the Fourth Proportional to 51,151.01, 70,590.56 and 28,489.99

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Solution

The fourth proportional to 51,151.01, 70,590.56 and 28,489.99 is: 39,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.01 : 70,590.56 = 28,489.99 : x
  2. Step 2: Convert to fraction form
    51,151.01/70,590.56 = 28,489.99/x
  3. Step 3: Cross multiply
    51,151.01x = 70,590.56 × 28,489.99
  4. Step 4: Simplify right side
    51,151.01x = 2,011,124,243.24
  5. Step 5: Solve for x
    x = 2,011,124,243.24/51,151.01
  6. Step 6: Final answer
    x = 39,317.39

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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.