Home / 52,081.96-78,126.61-25,779.64

Finding the Fourth Proportional to 52,081.96, 78,126.61 and 25,779.64

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Solution

The fourth proportional to 52,081.96, 78,126.61 and 25,779.64 is: 38,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.96 : 78,126.61 = 25,779.64 : x
  2. Step 2: Convert to fraction form
    52,081.96/78,126.61 = 25,779.64/x
  3. Step 3: Cross multiply
    52,081.96x = 78,126.61 × 25,779.64
  4. Step 4: Simplify right side
    52,081.96x = 2,014,075,521.81
  5. Step 5: Solve for x
    x = 2,014,075,521.81/52,081.96
  6. Step 6: Final answer
    x = 38,671.27

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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.