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Finding the Fourth Proportional to 35,447.30, 48,916.68 and 19,533.22

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Solution

The fourth proportional to 35,447.30, 48,916.68 and 19,533.22 is: 26,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.30 : 48,916.68 = 19,533.22 : x
  2. Step 2: Convert to fraction form
    35,447.30/48,916.68 = 19,533.22/x
  3. Step 3: Cross multiply
    35,447.30x = 48,916.68 × 19,533.22
  4. Step 4: Simplify right side
    35,447.30x = 955,500,272.11
  5. Step 5: Solve for x
    x = 955,500,272.11/35,447.30
  6. Step 6: Final answer
    x = 26,955.52

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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.