Home / 35,419.04-53,161.40-17,901.20

Finding the Fourth Proportional to 35,419.04, 53,161.40 and 17,901.20

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Solution

The fourth proportional to 35,419.04, 53,161.40 and 17,901.20 is: 26,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.04 : 53,161.40 = 17,901.20 : x
  2. Step 2: Convert to fraction form
    35,419.04/53,161.40 = 17,901.20/x
  3. Step 3: Cross multiply
    35,419.04x = 53,161.40 × 17,901.20
  4. Step 4: Simplify right side
    35,419.04x = 951,652,853.68
  5. Step 5: Solve for x
    x = 951,652,853.68/35,419.04
  6. Step 6: Final answer
    x = 26,868.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.