Home / 56,515.46-84,797.01-28,420.74

Finding the Fourth Proportional to 56,515.46, 84,797.01 and 28,420.74

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Solution

The fourth proportional to 56,515.46, 84,797.01 and 28,420.74 is: 42,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,515.46 : 84,797.01 = 28,420.74 : x
  2. Step 2: Convert to fraction form
    56,515.46/84,797.01 = 28,420.74/x
  3. Step 3: Cross multiply
    56,515.46x = 84,797.01 × 28,420.74
  4. Step 4: Simplify right side
    56,515.46x = 2,409,993,773.99
  5. Step 5: Solve for x
    x = 2,409,993,773.99/56,515.46
  6. Step 6: Final answer
    x = 42,643.09

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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.