Home / 38,523.87-53,157.71-21,525.98

Finding the Fourth Proportional to 38,523.87, 53,157.71 and 21,525.98

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Solution

The fourth proportional to 38,523.87, 53,157.71 and 21,525.98 is: 29,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.87 : 53,157.71 = 21,525.98 : x
  2. Step 2: Convert to fraction form
    38,523.87/53,157.71 = 21,525.98/x
  3. Step 3: Cross multiply
    38,523.87x = 53,157.71 × 21,525.98
  4. Step 4: Simplify right side
    38,523.87x = 1,144,271,590.33
  5. Step 5: Solve for x
    x = 1,144,271,590.33/38,523.87
  6. Step 6: Final answer
    x = 29,702.92

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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.