Home / 64,823.06-97,234.59-20,454.31

Finding the Fourth Proportional to 64,823.06, 97,234.59 and 20,454.31

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Solution

The fourth proportional to 64,823.06, 97,234.59 and 20,454.31 is: 30,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,823.06 : 97,234.59 = 20,454.31 : x
  2. Step 2: Convert to fraction form
    64,823.06/97,234.59 = 20,454.31/x
  3. Step 3: Cross multiply
    64,823.06x = 97,234.59 × 20,454.31
  4. Step 4: Simplify right side
    64,823.06x = 1,988,865,960.41
  5. Step 5: Solve for x
    x = 1,988,865,960.41/64,823.06
  6. Step 6: Final answer
    x = 30,681.46

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Similar ratio
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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.