Home / 31,555.72-43,547.16-17,409.52

Finding the Fourth Proportional to 31,555.72, 43,547.16 and 17,409.52

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Solution

The fourth proportional to 31,555.72, 43,547.16 and 17,409.52 is: 24,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.72 : 43,547.16 = 17,409.52 : x
  2. Step 2: Convert to fraction form
    31,555.72/43,547.16 = 17,409.52/x
  3. Step 3: Cross multiply
    31,555.72x = 43,547.16 × 17,409.52
  4. Step 4: Simplify right side
    31,555.72x = 758,135,152.96
  5. Step 5: Solve for x
    x = 758,135,152.96/31,555.72
  6. Step 6: Final answer
    x = 24,025.28

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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.