Home / 65,349.08-98,014.35-20,970.09

Finding the Fourth Proportional to 65,349.08, 98,014.35 and 20,970.09

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Solution

The fourth proportional to 65,349.08, 98,014.35 and 20,970.09 is: 31,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349.08 : 98,014.35 = 20,970.09 : x
  2. Step 2: Convert to fraction form
    65,349.08/98,014.35 = 20,970.09/x
  3. Step 3: Cross multiply
    65,349.08x = 98,014.35 × 20,970.09
  4. Step 4: Simplify right side
    65,349.08x = 2,055,369,145.87
  5. Step 5: Solve for x
    x = 2,055,369,145.87/65,349.08
  6. Step 6: Final answer
    x = 31,452.15

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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.