Home / 37,812.02-52,178.55-20,812.95

Finding the Fourth Proportional to 37,812.02, 52,178.55 and 20,812.95

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Solution

The fourth proportional to 37,812.02, 52,178.55 and 20,812.95 is: 28,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.02 : 52,178.55 = 20,812.95 : x
  2. Step 2: Convert to fraction form
    37,812.02/52,178.55 = 20,812.95/x
  3. Step 3: Cross multiply
    37,812.02x = 52,178.55 × 20,812.95
  4. Step 4: Simplify right side
    37,812.02x = 1,085,989,474.17
  5. Step 5: Solve for x
    x = 1,085,989,474.17/37,812.02
  6. Step 6: Final answer
    x = 28,720.75

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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.