Home / 53,074.90-73,242.80-28,876.60

Finding the Fourth Proportional to 53,074.90, 73,242.80 and 28,876.60

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Solution

The fourth proportional to 53,074.90, 73,242.80 and 28,876.60 is: 39,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.90 : 73,242.80 = 28,876.60 : x
  2. Step 2: Convert to fraction form
    53,074.90/73,242.80 = 28,876.60/x
  3. Step 3: Cross multiply
    53,074.90x = 73,242.80 × 28,876.60
  4. Step 4: Simplify right side
    53,074.90x = 2,115,003,154.85
  5. Step 5: Solve for x
    x = 2,115,003,154.85/53,074.90
  6. Step 6: Final answer
    x = 39,849.40

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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.