Home / 34,408.60-51,482.40-20,376.16

Finding the Fourth Proportional to 34,408.60, 51,482.40 and 20,376.16

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Solution

The fourth proportional to 34,408.60, 51,482.40 and 20,376.16 is: 30,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.60 : 51,482.40 = 20,376.16 : x
  2. Step 2: Convert to fraction form
    34,408.60/51,482.40 = 20,376.16/x
  3. Step 3: Cross multiply
    34,408.60x = 51,482.40 × 20,376.16
  4. Step 4: Simplify right side
    34,408.60x = 1,049,013,619.58
  5. Step 5: Solve for x
    x = 1,049,013,619.58/34,408.60
  6. Step 6: Final answer
    x = 30,486.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.