Home / 38,071.50-52,538.01-21,075.37

Finding the Fourth Proportional to 38,071.50, 52,538.01 and 21,075.37

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Solution

The fourth proportional to 38,071.50, 52,538.01 and 21,075.37 is: 29,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.50 : 52,538.01 = 21,075.37 : x
  2. Step 2: Convert to fraction form
    38,071.50/52,538.01 = 21,075.37/x
  3. Step 3: Cross multiply
    38,071.50x = 52,538.01 × 21,075.37
  4. Step 4: Simplify right side
    38,071.50x = 1,107,257,999.81
  5. Step 5: Solve for x
    x = 1,107,257,999.81/38,071.50
  6. Step 6: Final answer
    x = 29,083.65

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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.