Home / 38,323.80-52,886.28-21,556.80

Finding the Fourth Proportional to 38,323.80, 52,886.28 and 21,556.80

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Solution

The fourth proportional to 38,323.80, 52,886.28 and 21,556.80 is: 29,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.80 : 52,886.28 = 21,556.80 : x
  2. Step 2: Convert to fraction form
    38,323.80/52,886.28 = 21,556.80/x
  3. Step 3: Cross multiply
    38,323.80x = 52,886.28 × 21,556.80
  4. Step 4: Simplify right side
    38,323.80x = 1,140,058,960.70
  5. Step 5: Solve for x
    x = 1,140,058,960.70/38,323.80
  6. Step 6: Final answer
    x = 29,748.07

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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.