Home / 31,345.47-43,256.48-17,005.28

Finding the Fourth Proportional to 31,345.47, 43,256.48 and 17,005.28

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Solution

The fourth proportional to 31,345.47, 43,256.48 and 17,005.28 is: 23,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.47 : 43,256.48 = 17,005.28 : x
  2. Step 2: Convert to fraction form
    31,345.47/43,256.48 = 17,005.28/x
  3. Step 3: Cross multiply
    31,345.47x = 43,256.48 × 17,005.28
  4. Step 4: Simplify right side
    31,345.47x = 735,588,252.91
  5. Step 5: Solve for x
    x = 735,588,252.91/31,345.47
  6. Step 6: Final answer
    x = 23,467.13

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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.