Home / 29,445.23-40,630.72-19,905.87

Finding the Fourth Proportional to 29,445.23, 40,630.72 and 19,905.87

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Solution

The fourth proportional to 29,445.23, 40,630.72 and 19,905.87 is: 27,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.23 : 40,630.72 = 19,905.87 : x
  2. Step 2: Convert to fraction form
    29,445.23/40,630.72 = 19,905.87/x
  3. Step 3: Cross multiply
    29,445.23x = 40,630.72 × 19,905.87
  4. Step 4: Simplify right side
    29,445.23x = 808,789,830.33
  5. Step 5: Solve for x
    x = 808,789,830.33/29,445.23
  6. Step 6: Final answer
    x = 27,467.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.