Home / 53,400.30-80,076.15-28,433.94

Finding the Fourth Proportional to 53,400.30, 80,076.15 and 28,433.94

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Solution

The fourth proportional to 53,400.30, 80,076.15 and 28,433.94 is: 42,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,400.30 : 80,076.15 = 28,433.94 : x
  2. Step 2: Convert to fraction form
    53,400.30/80,076.15 = 28,433.94/x
  3. Step 3: Cross multiply
    53,400.30x = 80,076.15 × 28,433.94
  4. Step 4: Simplify right side
    53,400.30x = 2,276,880,444.53
  5. Step 5: Solve for x
    x = 2,276,880,444.53/53,400.30
  6. Step 6: Final answer
    x = 42,637.97

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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.