Home / 50,812.02-70,154.79-31,720.86

Finding the Fourth Proportional to 50,812.02, 70,154.79 and 31,720.86

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Solution

The fourth proportional to 50,812.02, 70,154.79 and 31,720.86 is: 43,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.02 : 70,154.79 = 31,720.86 : x
  2. Step 2: Convert to fraction form
    50,812.02/70,154.79 = 31,720.86/x
  3. Step 3: Cross multiply
    50,812.02x = 70,154.79 × 31,720.86
  4. Step 4: Simplify right side
    50,812.02x = 2,225,370,271.92
  5. Step 5: Solve for x
    x = 2,225,370,271.92/50,812.02
  6. Step 6: Final answer
    x = 43,796.14

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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.