Home / 31,712.09-43,762.74-17,564.63

Finding the Fourth Proportional to 31,712.09, 43,762.74 and 17,564.63

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Solution

The fourth proportional to 31,712.09, 43,762.74 and 17,564.63 is: 24,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.09 : 43,762.74 = 17,564.63 : x
  2. Step 2: Convert to fraction form
    31,712.09/43,762.74 = 17,564.63/x
  3. Step 3: Cross multiply
    31,712.09x = 43,762.74 × 17,564.63
  4. Step 4: Simplify right side
    31,712.09x = 768,676,335.89
  5. Step 5: Solve for x
    x = 768,676,335.89/31,712.09
  6. Step 6: Final answer
    x = 24,239.22

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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.