Home / 35,444.80-53,167.20-19,860.40

Finding the Fourth Proportional to 35,444.80, 53,167.20 and 19,860.40

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Solution

The fourth proportional to 35,444.80, 53,167.20 and 19,860.40 is: 29,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.80 : 53,167.20 = 19,860.40 : x
  2. Step 2: Convert to fraction form
    35,444.80/53,167.20 = 19,860.40/x
  3. Step 3: Cross multiply
    35,444.80x = 53,167.20 × 19,860.40
  4. Step 4: Simplify right side
    35,444.80x = 1,055,921,858.88
  5. Step 5: Solve for x
    x = 1,055,921,858.88/35,444.80
  6. Step 6: Final answer
    x = 29,790.60

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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.