Home / 65,677.08-98,530.04-21,308.32

Finding the Fourth Proportional to 65,677.08, 98,530.04 and 21,308.32

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Solution

The fourth proportional to 65,677.08, 98,530.04 and 21,308.32 is: 31,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,677.08 : 98,530.04 = 21,308.32 : x
  2. Step 2: Convert to fraction form
    65,677.08/98,530.04 = 21,308.32/x
  3. Step 3: Cross multiply
    65,677.08x = 98,530.04 × 21,308.32
  4. Step 4: Simplify right side
    65,677.08x = 2,099,509,621.93
  5. Step 5: Solve for x
    x = 2,099,509,621.93/65,677.08
  6. Step 6: Final answer
    x = 31,967.16

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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.