Home / 38,047.31-52,503.96-21,051.28

Finding the Fourth Proportional to 38,047.31, 52,503.96 and 21,051.28

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Solution

The fourth proportional to 38,047.31, 52,503.96 and 21,051.28 is: 29,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,047.31 : 52,503.96 = 21,051.28 : x
  2. Step 2: Convert to fraction form
    38,047.31/52,503.96 = 21,051.28/x
  3. Step 3: Cross multiply
    38,047.31x = 52,503.96 × 21,051.28
  4. Step 4: Simplify right side
    38,047.31x = 1,105,275,563.07
  5. Step 5: Solve for x
    x = 1,105,275,563.07/38,047.31
  6. Step 6: Final answer
    x = 29,050.03

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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.