Home / 34,290.71-47,330.69-19,953.30

Finding the Fourth Proportional to 34,290.71, 47,330.69 and 19,953.30

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Solution

The fourth proportional to 34,290.71, 47,330.69 and 19,953.30 is: 27,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.71 : 47,330.69 = 19,953.30 : x
  2. Step 2: Convert to fraction form
    34,290.71/47,330.69 = 19,953.30/x
  3. Step 3: Cross multiply
    34,290.71x = 47,330.69 × 19,953.30
  4. Step 4: Simplify right side
    34,290.71x = 944,403,357.01
  5. Step 5: Solve for x
    x = 944,403,357.01/34,290.71
  6. Step 6: Final answer
    x = 27,541.09

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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.