Home / 29,407.32-40,586.94-21,475.80

Finding the Fourth Proportional to 29,407.32, 40,586.94 and 21,475.80

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Solution

The fourth proportional to 29,407.32, 40,586.94 and 21,475.80 is: 29,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.32 : 40,586.94 = 21,475.80 : x
  2. Step 2: Convert to fraction form
    29,407.32/40,586.94 = 21,475.80/x
  3. Step 3: Cross multiply
    29,407.32x = 40,586.94 × 21,475.80
  4. Step 4: Simplify right side
    29,407.32x = 871,637,006.05
  5. Step 5: Solve for x
    x = 871,637,006.05/29,407.32
  6. Step 6: Final answer
    x = 29,640.14

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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.