Home / 50,943.02-70,309.80-28,289.30

Finding the Fourth Proportional to 50,943.02, 70,309.80 and 28,289.30

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Solution

The fourth proportional to 50,943.02, 70,309.80 and 28,289.30 is: 39,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,943.02 : 70,309.80 = 28,289.30 : x
  2. Step 2: Convert to fraction form
    50,943.02/70,309.80 = 28,289.30/x
  3. Step 3: Cross multiply
    50,943.02x = 70,309.80 × 28,289.30
  4. Step 4: Simplify right side
    50,943.02x = 1,989,015,025.14
  5. Step 5: Solve for x
    x = 1,989,015,025.14/50,943.02
  6. Step 6: Final answer
    x = 39,043.92

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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.