Home / 51,051.40-70,445.94-28,694.92

Finding the Fourth Proportional to 51,051.40, 70,445.94 and 28,694.92

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Solution

The fourth proportional to 51,051.40, 70,445.94 and 28,694.92 is: 39,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.40 : 70,445.94 = 28,694.92 : x
  2. Step 2: Convert to fraction form
    51,051.40/70,445.94 = 28,694.92/x
  3. Step 3: Cross multiply
    51,051.40x = 70,445.94 × 28,694.92
  4. Step 4: Simplify right side
    51,051.40x = 2,021,440,612.62
  5. Step 5: Solve for x
    x = 2,021,440,612.62/51,051.40
  6. Step 6: Final answer
    x = 39,596.18

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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.