Home / 45,445.26-68,167.90-14,280.50

Finding the Fourth Proportional to 45,445.26, 68,167.90 and 14,280.50

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Solution

The fourth proportional to 45,445.26, 68,167.90 and 14,280.50 is: 21,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,445.26 : 68,167.90 = 14,280.50 : x
  2. Step 2: Convert to fraction form
    45,445.26/68,167.90 = 14,280.50/x
  3. Step 3: Cross multiply
    45,445.26x = 68,167.90 × 14,280.50
  4. Step 4: Simplify right side
    45,445.26x = 973,471,695.95
  5. Step 5: Solve for x
    x = 973,471,695.95/45,445.26
  6. Step 6: Final answer
    x = 21,420.75

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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.