Home / 34,070.45-47,017.46-18,963.74

Finding the Fourth Proportional to 34,070.45, 47,017.46 and 18,963.74

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Solution

The fourth proportional to 34,070.45, 47,017.46 and 18,963.74 is: 26,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,070.45 : 47,017.46 = 18,963.74 : x
  2. Step 2: Convert to fraction form
    34,070.45/47,017.46 = 18,963.74/x
  3. Step 3: Cross multiply
    34,070.45x = 47,017.46 × 18,963.74
  4. Step 4: Simplify right side
    34,070.45x = 891,627,051.85
  5. Step 5: Solve for x
    x = 891,627,051.85/34,070.45
  6. Step 6: Final answer
    x = 26,170.10

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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.