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Finding the Fourth Proportional to 65,232.10, 97,848.15 and 20,860.30

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Solution

The fourth proportional to 65,232.10, 97,848.15 and 20,860.30 is: 31,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,232.10 : 97,848.15 = 20,860.30 : x
  2. Step 2: Convert to fraction form
    65,232.10/97,848.15 = 20,860.30/x
  3. Step 3: Cross multiply
    65,232.10x = 97,848.15 × 20,860.30
  4. Step 4: Simplify right side
    65,232.10x = 2,041,141,763.45
  5. Step 5: Solve for x
    x = 2,041,141,763.45/65,232.10
  6. Step 6: Final answer
    x = 31,290.45

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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.