Home / 38,235.08-52,762.63-21,240.43

Finding the Fourth Proportional to 38,235.08, 52,762.63 and 21,240.43

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Solution

The fourth proportional to 38,235.08, 52,762.63 and 21,240.43 is: 29,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.08 : 52,762.63 = 21,240.43 : x
  2. Step 2: Convert to fraction form
    38,235.08/52,762.63 = 21,240.43/x
  3. Step 3: Cross multiply
    38,235.08x = 52,762.63 × 21,240.43
  4. Step 4: Simplify right side
    38,235.08x = 1,120,700,949.13
  5. Step 5: Solve for x
    x = 1,120,700,949.13/38,235.08
  6. Step 6: Final answer
    x = 29,310.80

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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.