Home / 31,547.91-43,535.34-17,400.45

Finding the Fourth Proportional to 31,547.91, 43,535.34 and 17,400.45

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Solution

The fourth proportional to 31,547.91, 43,535.34 and 17,400.45 is: 24,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.91 : 43,535.34 = 17,400.45 : x
  2. Step 2: Convert to fraction form
    31,547.91/43,535.34 = 17,400.45/x
  3. Step 3: Cross multiply
    31,547.91x = 43,535.34 × 17,400.45
  4. Step 4: Simplify right side
    31,547.91x = 757,534,506.90
  5. Step 5: Solve for x
    x = 757,534,506.90/31,547.91
  6. Step 6: Final answer
    x = 24,012.19

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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.