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Finding the Fourth Proportional to 35,426.60, 48,889.02 and 19,511.60

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Solution

The fourth proportional to 35,426.60, 48,889.02 and 19,511.60 is: 26,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.60 : 48,889.02 = 19,511.60 : x
  2. Step 2: Convert to fraction form
    35,426.60/48,889.02 = 19,511.60/x
  3. Step 3: Cross multiply
    35,426.60x = 48,889.02 × 19,511.60
  4. Step 4: Simplify right side
    35,426.60x = 953,903,002.63
  5. Step 5: Solve for x
    x = 953,903,002.63/35,426.60
  6. Step 6: Final answer
    x = 26,926.18

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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.