Home / 53,445.20-80,153.40-16,005.20

Finding the Fourth Proportional to 53,445.20, 80,153.40 and 16,005.20

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Solution

The fourth proportional to 53,445.20, 80,153.40 and 16,005.20 is: 24,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445.20 : 80,153.40 = 16,005.20 : x
  2. Step 2: Convert to fraction form
    53,445.20/80,153.40 = 16,005.20/x
  3. Step 3: Cross multiply
    53,445.20x = 80,153.40 × 16,005.20
  4. Step 4: Simplify right side
    53,445.20x = 1,282,871,197.68
  5. Step 5: Solve for x
    x = 1,282,871,197.68/53,445.20
  6. Step 6: Final answer
    x = 24,003.49

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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.