Home / 34,090.58-47,041.64-19,940.66

Finding the Fourth Proportional to 34,090.58, 47,041.64 and 19,940.66

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Solution

The fourth proportional to 34,090.58, 47,041.64 and 19,940.66 is: 27,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,090.58 : 47,041.64 = 19,940.66 : x
  2. Step 2: Convert to fraction form
    34,090.58/47,041.64 = 19,940.66/x
  3. Step 3: Cross multiply
    34,090.58x = 47,041.64 × 19,940.66
  4. Step 4: Simplify right side
    34,090.58x = 938,041,349.08
  5. Step 5: Solve for x
    x = 938,041,349.08/34,090.58
  6. Step 6: Final answer
    x = 27,516.15

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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.