Home / 34,708.40-47,897.02-18,792.72

Finding the Fourth Proportional to 34,708.40, 47,897.02 and 18,792.72

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Solution

The fourth proportional to 34,708.40, 47,897.02 and 18,792.72 is: 25,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.40 : 47,897.02 = 18,792.72 : x
  2. Step 2: Convert to fraction form
    34,708.40/47,897.02 = 18,792.72/x
  3. Step 3: Cross multiply
    34,708.40x = 47,897.02 × 18,792.72
  4. Step 4: Simplify right side
    34,708.40x = 900,115,285.69
  5. Step 5: Solve for x
    x = 900,115,285.69/34,708.40
  6. Step 6: Final answer
    x = 25,933.64

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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.