Home / 51,809.04-77,701.95-20,219.85

Finding the Fourth Proportional to 51,809.04, 77,701.95 and 20,219.85

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Solution

The fourth proportional to 51,809.04, 77,701.95 and 20,219.85 is: 30,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,809.04 : 77,701.95 = 20,219.85 : x
  2. Step 2: Convert to fraction form
    51,809.04/77,701.95 = 20,219.85/x
  3. Step 3: Cross multiply
    51,809.04x = 77,701.95 × 20,219.85
  4. Step 4: Simplify right side
    51,809.04x = 1,571,121,773.71
  5. Step 5: Solve for x
    x = 1,571,121,773.71/51,809.04
  6. Step 6: Final answer
    x = 30,325.24

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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.