Home / 38,477.98-53,100.44-21,250.29

Finding the Fourth Proportional to 38,477.98, 53,100.44 and 21,250.29

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Solution

The fourth proportional to 38,477.98, 53,100.44 and 21,250.29 is: 29,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.98 : 53,100.44 = 21,250.29 : x
  2. Step 2: Convert to fraction form
    38,477.98/53,100.44 = 21,250.29/x
  3. Step 3: Cross multiply
    38,477.98x = 53,100.44 × 21,250.29
  4. Step 4: Simplify right side
    38,477.98x = 1,128,399,642.88
  5. Step 5: Solve for x
    x = 1,128,399,642.88/38,477.98
  6. Step 6: Final answer
    x = 29,325.86

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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.