Home / 38,071.98-52,539.60-21,075.72

Finding the Fourth Proportional to 38,071.98, 52,539.60 and 21,075.72

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Solution

The fourth proportional to 38,071.98, 52,539.60 and 21,075.72 is: 29,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.98 : 52,539.60 = 21,075.72 : x
  2. Step 2: Convert to fraction form
    38,071.98/52,539.60 = 21,075.72/x
  3. Step 3: Cross multiply
    38,071.98x = 52,539.60 × 21,075.72
  4. Step 4: Simplify right side
    38,071.98x = 1,107,309,898.51
  5. Step 5: Solve for x
    x = 1,107,309,898.51/38,071.98
  6. Step 6: Final answer
    x = 29,084.64

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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.