Home / 35,438.18-48,902.49-19,521.74

Finding the Fourth Proportional to 35,438.18, 48,902.49 and 19,521.74

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Solution

The fourth proportional to 35,438.18, 48,902.49 and 19,521.74 is: 26,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.18 : 48,902.49 = 19,521.74 : x
  2. Step 2: Convert to fraction form
    35,438.18/48,902.49 = 19,521.74/x
  3. Step 3: Cross multiply
    35,438.18x = 48,902.49 × 19,521.74
  4. Step 4: Simplify right side
    35,438.18x = 954,661,695.13
  5. Step 5: Solve for x
    x = 954,661,695.13/35,438.18
  6. Step 6: Final answer
    x = 26,938.79

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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.