Home / 53,282.02-73,525.20-30,621.07

Finding the Fourth Proportional to 53,282.02, 73,525.20 and 30,621.07

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Solution

The fourth proportional to 53,282.02, 73,525.20 and 30,621.07 is: 42,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,282.02 : 73,525.20 = 30,621.07 : x
  2. Step 2: Convert to fraction form
    53,282.02/73,525.20 = 30,621.07/x
  3. Step 3: Cross multiply
    53,282.02x = 73,525.20 × 30,621.07
  4. Step 4: Simplify right side
    53,282.02x = 2,251,420,295.96
  5. Step 5: Solve for x
    x = 2,251,420,295.96/53,282.02
  6. Step 6: Final answer
    x = 42,254.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.