Home / 34,815.89-48,040.85-19,909.01

Finding the Fourth Proportional to 34,815.89, 48,040.85 and 19,909.01

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Solution

The fourth proportional to 34,815.89, 48,040.85 and 19,909.01 is: 27,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.89 : 48,040.85 = 19,909.01 : x
  2. Step 2: Convert to fraction form
    34,815.89/48,040.85 = 19,909.01/x
  3. Step 3: Cross multiply
    34,815.89x = 48,040.85 × 19,909.01
  4. Step 4: Simplify right side
    34,815.89x = 956,445,572.63
  5. Step 5: Solve for x
    x = 956,445,572.63/34,815.89
  6. Step 6: Final answer
    x = 27,471.53

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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.