Home / 65,815.08-98,722.62-30,779.34

Finding the Fourth Proportional to 65,815.08, 98,722.62 and 30,779.34

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Solution

The fourth proportional to 65,815.08, 98,722.62 and 30,779.34 is: 46,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.08 : 98,722.62 = 30,779.34 : x
  2. Step 2: Convert to fraction form
    65,815.08/98,722.62 = 30,779.34/x
  3. Step 3: Cross multiply
    65,815.08x = 98,722.62 × 30,779.34
  4. Step 4: Simplify right side
    65,815.08x = 3,038,617,086.67
  5. Step 5: Solve for x
    x = 3,038,617,086.67/65,815.08
  6. Step 6: Final answer
    x = 46,169.01

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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.