Home / 65,461.50-98,196.30-18,718.02

Finding the Fourth Proportional to 65,461.50, 98,196.30 and 18,718.02

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Solution

The fourth proportional to 65,461.50, 98,196.30 and 18,718.02 is: 28,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,461.50 : 98,196.30 = 18,718.02 : x
  2. Step 2: Convert to fraction form
    65,461.50/98,196.30 = 18,718.02/x
  3. Step 3: Cross multiply
    65,461.50x = 98,196.30 × 18,718.02
  4. Step 4: Simplify right side
    65,461.50x = 1,838,040,307.33
  5. Step 5: Solve for x
    x = 1,838,040,307.33/65,461.50
  6. Step 6: Final answer
    x = 28,078.19

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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.