Home / 34,806.47-48,031.71-18,890.60

Finding the Fourth Proportional to 34,806.47, 48,031.71 and 18,890.60

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Solution

The fourth proportional to 34,806.47, 48,031.71 and 18,890.60 is: 26,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.47 : 48,031.71 = 18,890.60 : x
  2. Step 2: Convert to fraction form
    34,806.47/48,031.71 = 18,890.60/x
  3. Step 3: Cross multiply
    34,806.47x = 48,031.71 × 18,890.60
  4. Step 4: Simplify right side
    34,806.47x = 907,347,820.93
  5. Step 5: Solve for x
    x = 907,347,820.93/34,806.47
  6. Step 6: Final answer
    x = 26,068.37

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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.