Home / 57,069.08-85,570.70-17,615.64

Finding the Fourth Proportional to 57,069.08, 85,570.70 and 17,615.64

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Solution

The fourth proportional to 57,069.08, 85,570.70 and 17,615.64 is: 26,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069.08 : 85,570.70 = 17,615.64 : x
  2. Step 2: Convert to fraction form
    57,069.08/85,570.70 = 17,615.64/x
  3. Step 3: Cross multiply
    57,069.08x = 85,570.70 × 17,615.64
  4. Step 4: Simplify right side
    57,069.08x = 1,507,382,645.75
  5. Step 5: Solve for x
    x = 1,507,382,645.75/57,069.08
  6. Step 6: Final answer
    x = 26,413.30

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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.