Home / 52,485.92-72,431.51-28,613.60

Finding the Fourth Proportional to 52,485.92, 72,431.51 and 28,613.60

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Solution

The fourth proportional to 52,485.92, 72,431.51 and 28,613.60 is: 39,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,485.92 : 72,431.51 = 28,613.60 : x
  2. Step 2: Convert to fraction form
    52,485.92/72,431.51 = 28,613.60/x
  3. Step 3: Cross multiply
    52,485.92x = 72,431.51 × 28,613.60
  4. Step 4: Simplify right side
    52,485.92x = 2,072,525,749.31
  5. Step 5: Solve for x
    x = 2,072,525,749.31/52,485.92
  6. Step 6: Final answer
    x = 39,487.27

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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.