Home / 53,613.20-80,477.40-30,285.20

Finding the Fourth Proportional to 53,613.20, 80,477.40 and 30,285.20

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Solution

The fourth proportional to 53,613.20, 80,477.40 and 30,285.20 is: 45,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.20 : 80,477.40 = 30,285.20 : x
  2. Step 2: Convert to fraction form
    53,613.20/80,477.40 = 30,285.20/x
  3. Step 3: Cross multiply
    53,613.20x = 80,477.40 × 30,285.20
  4. Step 4: Simplify right side
    53,613.20x = 2,437,274,154.48
  5. Step 5: Solve for x
    x = 2,437,274,154.48/53,613.20
  6. Step 6: Final answer
    x = 45,460.34

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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.