Home / 51,224.64-70,688.25-28,255.38

Finding the Fourth Proportional to 51,224.64, 70,688.25 and 28,255.38

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Solution

The fourth proportional to 51,224.64, 70,688.25 and 28,255.38 is: 38,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,224.64 : 70,688.25 = 28,255.38 : x
  2. Step 2: Convert to fraction form
    51,224.64/70,688.25 = 28,255.38/x
  3. Step 3: Cross multiply
    51,224.64x = 70,688.25 × 28,255.38
  4. Step 4: Simplify right side
    51,224.64x = 1,997,323,365.29
  5. Step 5: Solve for x
    x = 1,997,323,365.29/51,224.64
  6. Step 6: Final answer
    x = 38,991.46

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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.