Home / 34,900.09-48,158.10-19,789.74

Finding the Fourth Proportional to 34,900.09, 48,158.10 and 19,789.74

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Solution

The fourth proportional to 34,900.09, 48,158.10 and 19,789.74 is: 27,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.09 : 48,158.10 = 19,789.74 : x
  2. Step 2: Convert to fraction form
    34,900.09/48,158.10 = 19,789.74/x
  3. Step 3: Cross multiply
    34,900.09x = 48,158.10 × 19,789.74
  4. Step 4: Simplify right side
    34,900.09x = 953,036,277.89
  5. Step 5: Solve for x
    x = 953,036,277.89/34,900.09
  6. Step 6: Final answer
    x = 27,307.56

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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.