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Finding the Fourth Proportional to 35,392.76, 48,840.81 and 19,477.17

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Solution

The fourth proportional to 35,392.76, 48,840.81 and 19,477.17 is: 26,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.76 : 48,840.81 = 19,477.17 : x
  2. Step 2: Convert to fraction form
    35,392.76/48,840.81 = 19,477.17/x
  3. Step 3: Cross multiply
    35,392.76x = 48,840.81 × 19,477.17
  4. Step 4: Simplify right side
    35,392.76x = 951,280,686.27
  5. Step 5: Solve for x
    x = 951,280,686.27/35,392.76
  6. Step 6: Final answer
    x = 26,877.83

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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.