Home / 51,406.02-70,932.78-28,742.22

Finding the Fourth Proportional to 51,406.02, 70,932.78 and 28,742.22

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Solution

The fourth proportional to 51,406.02, 70,932.78 and 28,742.22 is: 39,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,406.02 : 70,932.78 = 28,742.22 : x
  2. Step 2: Convert to fraction form
    51,406.02/70,932.78 = 28,742.22/x
  3. Step 3: Cross multiply
    51,406.02x = 70,932.78 × 28,742.22
  4. Step 4: Simplify right side
    51,406.02x = 2,038,765,567.97
  5. Step 5: Solve for x
    x = 2,038,765,567.97/51,406.02
  6. Step 6: Final answer
    x = 39,660.05

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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.