Home / 40,445.70-60,670.18-19,664.34

Finding the Fourth Proportional to 40,445.70, 60,670.18 and 19,664.34

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Solution

The fourth proportional to 40,445.70, 60,670.18 and 19,664.34 is: 29,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.70 : 60,670.18 = 19,664.34 : x
  2. Step 2: Convert to fraction form
    40,445.70/60,670.18 = 19,664.34/x
  3. Step 3: Cross multiply
    40,445.70x = 60,670.18 × 19,664.34
  4. Step 4: Simplify right side
    40,445.70x = 1,193,039,047.38
  5. Step 5: Solve for x
    x = 1,193,039,047.38/40,445.70
  6. Step 6: Final answer
    x = 29,497.30

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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.