Home / 35,789.40-53,666.80-13,284.56

Finding the Fourth Proportional to 35,789.40, 53,666.80 and 13,284.56

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Solution

The fourth proportional to 35,789.40, 53,666.80 and 13,284.56 is: 19,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.40 : 53,666.80 = 13,284.56 : x
  2. Step 2: Convert to fraction form
    35,789.40/53,666.80 = 13,284.56/x
  3. Step 3: Cross multiply
    35,789.40x = 53,666.80 × 13,284.56
  4. Step 4: Simplify right side
    35,789.40x = 712,939,824.61
  5. Step 5: Solve for x
    x = 712,939,824.61/35,789.40
  6. Step 6: Final answer
    x = 19,920.42

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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.