Home / 34,506.29-47,620.37-19,403.71

Finding the Fourth Proportional to 34,506.29, 47,620.37 and 19,403.71

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Solution

The fourth proportional to 34,506.29, 47,620.37 and 19,403.71 is: 26,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506.29 : 47,620.37 = 19,403.71 : x
  2. Step 2: Convert to fraction form
    34,506.29/47,620.37 = 19,403.71/x
  3. Step 3: Cross multiply
    34,506.29x = 47,620.37 × 19,403.71
  4. Step 4: Simplify right side
    34,506.29x = 924,011,779.03
  5. Step 5: Solve for x
    x = 924,011,779.03/34,506.29
  6. Step 6: Final answer
    x = 26,778.07

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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.