Home / 38,339.10-52,907.85-21,572.10

Finding the Fourth Proportional to 38,339.10, 52,907.85 and 21,572.10

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Solution

The fourth proportional to 38,339.10, 52,907.85 and 21,572.10 is: 29,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.10 : 52,907.85 = 21,572.10 : x
  2. Step 2: Convert to fraction form
    38,339.10/52,907.85 = 21,572.10/x
  3. Step 3: Cross multiply
    38,339.10x = 52,907.85 × 21,572.10
  4. Step 4: Simplify right side
    38,339.10x = 1,141,333,430.99
  5. Step 5: Solve for x
    x = 1,141,333,430.99/38,339.10
  6. Step 6: Final answer
    x = 29,769.44

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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.