Home / 65,931.18-98,830.62-32,675.40

Finding the Fourth Proportional to 65,931.18, 98,830.62 and 32,675.40

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Solution

The fourth proportional to 65,931.18, 98,830.62 and 32,675.40 is: 48,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,931.18 : 98,830.62 = 32,675.40 : x
  2. Step 2: Convert to fraction form
    65,931.18/98,830.62 = 32,675.40/x
  3. Step 3: Cross multiply
    65,931.18x = 98,830.62 × 32,675.40
  4. Step 4: Simplify right side
    65,931.18x = 3,229,330,040.75
  5. Step 5: Solve for x
    x = 3,229,330,040.75/65,931.18
  6. Step 6: Final answer
    x = 48,980.32

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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.