Home / 55,420.20-83,130.30-32,019.30

Finding the Fourth Proportional to 55,420.20, 83,130.30 and 32,019.30

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Solution

The fourth proportional to 55,420.20, 83,130.30 and 32,019.30 is: 48,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.20 : 83,130.30 = 32,019.30 : x
  2. Step 2: Convert to fraction form
    55,420.20/83,130.30 = 32,019.30/x
  3. Step 3: Cross multiply
    55,420.20x = 83,130.30 × 32,019.30
  4. Step 4: Simplify right side
    55,420.20x = 2,661,774,014.79
  5. Step 5: Solve for x
    x = 2,661,774,014.79/55,420.20
  6. Step 6: Final answer
    x = 48,028.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.