Home / 38,223.10-52,737.51-21,455.74

Finding the Fourth Proportional to 38,223.10, 52,737.51 and 21,455.74

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Solution

The fourth proportional to 38,223.10, 52,737.51 and 21,455.74 is: 29,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,223.10 : 52,737.51 = 21,455.74 : x
  2. Step 2: Convert to fraction form
    38,223.10/52,737.51 = 21,455.74/x
  3. Step 3: Cross multiply
    38,223.10x = 52,737.51 × 21,455.74
  4. Step 4: Simplify right side
    38,223.10x = 1,131,522,302.81
  5. Step 5: Solve for x
    x = 1,131,522,302.81/38,223.10
  6. Step 6: Final answer
    x = 29,603.10

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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.