Home / 34,720.50-47,917.23-19,615.93

Finding the Fourth Proportional to 34,720.50, 47,917.23 and 19,615.93

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Solution

The fourth proportional to 34,720.50, 47,917.23 and 19,615.93 is: 27,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.50 : 47,917.23 = 19,615.93 : x
  2. Step 2: Convert to fraction form
    34,720.50/47,917.23 = 19,615.93/x
  3. Step 3: Cross multiply
    34,720.50x = 47,917.23 × 19,615.93
  4. Step 4: Simplify right side
    34,720.50x = 939,941,029.47
  5. Step 5: Solve for x
    x = 939,941,029.47/34,720.50
  6. Step 6: Final answer
    x = 27,071.64

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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.