Home / 51,391.22-77,031.53-33,615.18

Finding the Fourth Proportional to 51,391.22, 77,031.53 and 33,615.18

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Solution

The fourth proportional to 51,391.22, 77,031.53 and 33,615.18 is: 50,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.22 : 77,031.53 = 33,615.18 : x
  2. Step 2: Convert to fraction form
    51,391.22/77,031.53 = 33,615.18/x
  3. Step 3: Cross multiply
    51,391.22x = 77,031.53 × 33,615.18
  4. Step 4: Simplify right side
    51,391.22x = 2,589,428,746.63
  5. Step 5: Solve for x
    x = 2,589,428,746.63/51,391.22
  6. Step 6: Final answer
    x = 50,386.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.