Home / 51,351.96-70,858.68-28,688.16

Finding the Fourth Proportional to 51,351.96, 70,858.68 and 28,688.16

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Solution

The fourth proportional to 51,351.96, 70,858.68 and 28,688.16 is: 39,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351.96 : 70,858.68 = 28,688.16 : x
  2. Step 2: Convert to fraction form
    51,351.96/70,858.68 = 28,688.16/x
  3. Step 3: Cross multiply
    51,351.96x = 70,858.68 × 28,688.16
  4. Step 4: Simplify right side
    51,351.96x = 2,032,805,149.23
  5. Step 5: Solve for x
    x = 2,032,805,149.23/51,351.96
  6. Step 6: Final answer
    x = 39,585.74

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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.