Home / 56,999.68-85,518.96-30,707.12

Finding the Fourth Proportional to 56,999.68, 85,518.96 and 30,707.12

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Solution

The fourth proportional to 56,999.68, 85,518.96 and 30,707.12 is: 46,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.68 : 85,518.96 = 30,707.12 : x
  2. Step 2: Convert to fraction form
    56,999.68/85,518.96 = 30,707.12/x
  3. Step 3: Cross multiply
    56,999.68x = 85,518.96 × 30,707.12
  4. Step 4: Simplify right side
    56,999.68x = 2,626,040,967.00
  5. Step 5: Solve for x
    x = 2,626,040,967.00/56,999.68
  6. Step 6: Final answer
    x = 46,071.15

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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.