Home / 64,718.08-97,077.04-20,348.70

Finding the Fourth Proportional to 64,718.08, 97,077.04 and 20,348.70

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Solution

The fourth proportional to 64,718.08, 97,077.04 and 20,348.70 is: 30,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.08 : 97,077.04 = 20,348.70 : x
  2. Step 2: Convert to fraction form
    64,718.08/97,077.04 = 20,348.70/x
  3. Step 3: Cross multiply
    64,718.08x = 97,077.04 × 20,348.70
  4. Step 4: Simplify right side
    64,718.08x = 1,975,391,563.85
  5. Step 5: Solve for x
    x = 1,975,391,563.85/64,718.08
  6. Step 6: Final answer
    x = 30,523.02

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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.