Home / 53,462.40-80,193.60-28,579.20

Finding the Fourth Proportional to 53,462.40, 80,193.60 and 28,579.20

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Solution

The fourth proportional to 53,462.40, 80,193.60 and 28,579.20 is: 42,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,462.40 : 80,193.60 = 28,579.20 : x
  2. Step 2: Convert to fraction form
    53,462.40/80,193.60 = 28,579.20/x
  3. Step 3: Cross multiply
    53,462.40x = 80,193.60 × 28,579.20
  4. Step 4: Simplify right side
    53,462.40x = 2,291,868,933.12
  5. Step 5: Solve for x
    x = 2,291,868,933.12/53,462.40
  6. Step 6: Final answer
    x = 42,868.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.