Home / 38,599.30-53,267.99-21,603.40

Finding the Fourth Proportional to 38,599.30, 53,267.99 and 21,603.40

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Solution

The fourth proportional to 38,599.30, 53,267.99 and 21,603.40 is: 29,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.30 : 53,267.99 = 21,603.40 : x
  2. Step 2: Convert to fraction form
    38,599.30/53,267.99 = 21,603.40/x
  3. Step 3: Cross multiply
    38,599.30x = 53,267.99 × 21,603.40
  4. Step 4: Simplify right side
    38,599.30x = 1,150,769,695.17
  5. Step 5: Solve for x
    x = 1,150,769,695.17/38,599.30
  6. Step 6: Final answer
    x = 29,813.23

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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.