Home / 35,587.80-53,381.70-20,003.40

Finding the Fourth Proportional to 35,587.80, 53,381.70 and 20,003.40

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Solution

The fourth proportional to 35,587.80, 53,381.70 and 20,003.40 is: 30,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587.80 : 53,381.70 = 20,003.40 : x
  2. Step 2: Convert to fraction form
    35,587.80/53,381.70 = 20,003.40/x
  3. Step 3: Cross multiply
    35,587.80x = 53,381.70 × 20,003.40
  4. Step 4: Simplify right side
    35,587.80x = 1,067,815,497.78
  5. Step 5: Solve for x
    x = 1,067,815,497.78/35,587.80
  6. Step 6: Final answer
    x = 30,005.10

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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.