Home / 53,682.02-80,400.40-25,621.78

Finding the Fourth Proportional to 53,682.02, 80,400.40 and 25,621.78

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Solution

The fourth proportional to 53,682.02, 80,400.40 and 25,621.78 is: 38,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.02 : 80,400.40 = 25,621.78 : x
  2. Step 2: Convert to fraction form
    53,682.02/80,400.40 = 25,621.78/x
  3. Step 3: Cross multiply
    53,682.02x = 80,400.40 × 25,621.78
  4. Step 4: Simplify right side
    53,682.02x = 2,060,001,360.71
  5. Step 5: Solve for x
    x = 2,060,001,360.71/53,682.02
  6. Step 6: Final answer
    x = 38,374.14

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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.