Home / 38,369.16-52,951.86-21,603.24

Finding the Fourth Proportional to 38,369.16, 52,951.86 and 21,603.24

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Solution

The fourth proportional to 38,369.16, 52,951.86 and 21,603.24 is: 29,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.16 : 52,951.86 = 21,603.24 : x
  2. Step 2: Convert to fraction form
    38,369.16/52,951.86 = 21,603.24/x
  3. Step 3: Cross multiply
    38,369.16x = 52,951.86 × 21,603.24
  4. Step 4: Simplify right side
    38,369.16x = 1,143,931,740.03
  5. Step 5: Solve for x
    x = 1,143,931,740.03/38,369.16
  6. Step 6: Final answer
    x = 29,813.83

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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.