Home / 51,034.99-70,430.63-28,376.31

Finding the Fourth Proportional to 51,034.99, 70,430.63 and 28,376.31

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Solution

The fourth proportional to 51,034.99, 70,430.63 and 28,376.31 is: 39,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.99 : 70,430.63 = 28,376.31 : x
  2. Step 2: Convert to fraction form
    51,034.99/70,430.63 = 28,376.31/x
  3. Step 3: Cross multiply
    51,034.99x = 70,430.63 × 28,376.31
  4. Step 4: Simplify right side
    51,034.99x = 1,998,561,390.38
  5. Step 5: Solve for x
    x = 1,998,561,390.38/51,034.99
  6. Step 6: Final answer
    x = 39,160.61

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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.