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Finding the Fourth Proportional to 35,066.40, 48,392.40 and 19,151.52

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Solution

The fourth proportional to 35,066.40, 48,392.40 and 19,151.52 is: 26,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,066.40 : 48,392.40 = 19,151.52 : x
  2. Step 2: Convert to fraction form
    35,066.40/48,392.40 = 19,151.52/x
  3. Step 3: Cross multiply
    35,066.40x = 48,392.40 × 19,151.52
  4. Step 4: Simplify right side
    35,066.40x = 926,788,016.45
  5. Step 5: Solve for x
    x = 926,788,016.45/35,066.40
  6. Step 6: Final answer
    x = 26,429.52

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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.