Home / 29,231.41-40,312.43-19,156.19

Finding the Fourth Proportional to 29,231.41, 40,312.43 and 19,156.19

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Solution

The fourth proportional to 29,231.41, 40,312.43 and 19,156.19 is: 26,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.41 : 40,312.43 = 19,156.19 : x
  2. Step 2: Convert to fraction form
    29,231.41/40,312.43 = 19,156.19/x
  3. Step 3: Cross multiply
    29,231.41x = 40,312.43 × 19,156.19
  4. Step 4: Simplify right side
    29,231.41x = 772,232,565.94
  5. Step 5: Solve for x
    x = 772,232,565.94/29,231.41
  6. Step 6: Final answer
    x = 26,417.91

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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.