Home / 65,237.40-97,861.56-20,870.52

Finding the Fourth Proportional to 65,237.40, 97,861.56 and 20,870.52

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Solution

The fourth proportional to 65,237.40, 97,861.56 and 20,870.52 is: 31,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.40 : 97,861.56 = 20,870.52 : x
  2. Step 2: Convert to fraction form
    65,237.40/97,861.56 = 20,870.52/x
  3. Step 3: Cross multiply
    65,237.40x = 97,861.56 × 20,870.52
  4. Step 4: Simplify right side
    65,237.40x = 2,042,421,645.21
  5. Step 5: Solve for x
    x = 2,042,421,645.21/65,237.40
  6. Step 6: Final answer
    x = 31,307.53

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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.