Home / 34,748.63-47,955.55-19,641.40

Finding the Fourth Proportional to 34,748.63, 47,955.55 and 19,641.40

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Solution

The fourth proportional to 34,748.63, 47,955.55 and 19,641.40 is: 27,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,748.63 : 47,955.55 = 19,641.40 : x
  2. Step 2: Convert to fraction form
    34,748.63/47,955.55 = 19,641.40/x
  3. Step 3: Cross multiply
    34,748.63x = 47,955.55 × 19,641.40
  4. Step 4: Simplify right side
    34,748.63x = 941,914,139.77
  5. Step 5: Solve for x
    x = 941,914,139.77/34,748.63
  6. Step 6: Final answer
    x = 27,106.51

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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.