Home / 51,389.39-70,914.47-28,723.87

Finding the Fourth Proportional to 51,389.39, 70,914.47 and 28,723.87

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Solution

The fourth proportional to 51,389.39, 70,914.47 and 28,723.87 is: 39,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.39 : 70,914.47 = 28,723.87 : x
  2. Step 2: Convert to fraction form
    51,389.39/70,914.47 = 28,723.87/x
  3. Step 3: Cross multiply
    51,389.39x = 70,914.47 × 28,723.87
  4. Step 4: Simplify right side
    51,389.39x = 2,036,937,696.49
  5. Step 5: Solve for x
    x = 2,036,937,696.49/51,389.39
  6. Step 6: Final answer
    x = 39,637.32

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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.