Home / 64,718.12-97,081.36-20,346.59

Finding the Fourth Proportional to 64,718.12, 97,081.36 and 20,346.59

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Solution

The fourth proportional to 64,718.12, 97,081.36 and 20,346.59 is: 30,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.12 : 97,081.36 = 20,346.59 : x
  2. Step 2: Convert to fraction form
    64,718.12/97,081.36 = 20,346.59/x
  3. Step 3: Cross multiply
    64,718.12x = 97,081.36 × 20,346.59
  4. Step 4: Simplify right side
    64,718.12x = 1,975,274,820.40
  5. Step 5: Solve for x
    x = 1,975,274,820.40/64,718.12
  6. Step 6: Final answer
    x = 30,521.20

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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.