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Finding the Fourth Proportional to 35,462.91, 48,938.23 and 19,330.40

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Solution

The fourth proportional to 35,462.91, 48,938.23 and 19,330.40 is: 26,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.91 : 48,938.23 = 19,330.40 : x
  2. Step 2: Convert to fraction form
    35,462.91/48,938.23 = 19,330.40/x
  3. Step 3: Cross multiply
    35,462.91x = 48,938.23 × 19,330.40
  4. Step 4: Simplify right side
    35,462.91x = 945,995,323.69
  5. Step 5: Solve for x
    x = 945,995,323.69/35,462.91
  6. Step 6: Final answer
    x = 26,675.62

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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.