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Finding the Fourth Proportional to 62,272.71, 85,954.65 and 35,430.21

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Solution

The fourth proportional to 62,272.71, 85,954.65 and 35,430.21 is: 48,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,272.71 : 85,954.65 = 35,430.21 : x
  2. Step 2: Convert to fraction form
    62,272.71/85,954.65 = 35,430.21/x
  3. Step 3: Cross multiply
    62,272.71x = 85,954.65 × 35,430.21
  4. Step 4: Simplify right side
    62,272.71x = 3,045,391,299.98
  5. Step 5: Solve for x
    x = 3,045,391,299.98/62,272.71
  6. Step 6: Final answer
    x = 48,904.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.