Home / 45,095.90-67,586.34-21,403.40

Finding the Fourth Proportional to 45,095.90, 67,586.34 and 21,403.40

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Solution

The fourth proportional to 45,095.90, 67,586.34 and 21,403.40 is: 32,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.90 : 67,586.34 = 21,403.40 : x
  2. Step 2: Convert to fraction form
    45,095.90/67,586.34 = 21,403.40/x
  3. Step 3: Cross multiply
    45,095.90x = 67,586.34 × 21,403.40
  4. Step 4: Simplify right side
    45,095.90x = 1,446,577,469.56
  5. Step 5: Solve for x
    x = 1,446,577,469.56/45,095.90
  6. Step 6: Final answer
    x = 32,077.80

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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.