Home / 31,356.22-43,271.93-17,208.76

Finding the Fourth Proportional to 31,356.22, 43,271.93 and 17,208.76

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Solution

The fourth proportional to 31,356.22, 43,271.93 and 17,208.76 is: 23,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.22 : 43,271.93 = 17,208.76 : x
  2. Step 2: Convert to fraction form
    31,356.22/43,271.93 = 17,208.76/x
  3. Step 3: Cross multiply
    31,356.22x = 43,271.93 × 17,208.76
  4. Step 4: Simplify right side
    31,356.22x = 744,656,258.11
  5. Step 5: Solve for x
    x = 744,656,258.11/31,356.22
  6. Step 6: Final answer
    x = 23,748.28

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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.