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Finding the Fourth Proportional to 35,335.68, 48,763.52 and 19,419.68

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Solution

The fourth proportional to 35,335.68, 48,763.52 and 19,419.68 is: 26,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.68 : 48,763.52 = 19,419.68 : x
  2. Step 2: Convert to fraction form
    35,335.68/48,763.52 = 19,419.68/x
  3. Step 3: Cross multiply
    35,335.68x = 48,763.52 × 19,419.68
  4. Step 4: Simplify right side
    35,335.68x = 946,971,954.07
  5. Step 5: Solve for x
    x = 946,971,954.07/35,335.68
  6. Step 6: Final answer
    x = 26,799.31

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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.