Home / 51,637.42-71,260.32-28,981.32

Finding the Fourth Proportional to 51,637.42, 71,260.32 and 28,981.32

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Solution

The fourth proportional to 51,637.42, 71,260.32 and 28,981.32 is: 39,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.42 : 71,260.32 = 28,981.32 : x
  2. Step 2: Convert to fraction form
    51,637.42/71,260.32 = 28,981.32/x
  3. Step 3: Cross multiply
    51,637.42x = 71,260.32 × 28,981.32
  4. Step 4: Simplify right side
    51,637.42x = 2,065,218,137.22
  5. Step 5: Solve for x
    x = 2,065,218,137.22/51,637.42
  6. Step 6: Final answer
    x = 39,994.60

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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.