Home / 59,929.05-89,893.64-20,486.49

Finding the Fourth Proportional to 59,929.05, 89,893.64 and 20,486.49

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Solution

The fourth proportional to 59,929.05, 89,893.64 and 20,486.49 is: 30,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,929.05 : 89,893.64 = 20,486.49 : x
  2. Step 2: Convert to fraction form
    59,929.05/89,893.64 = 20,486.49/x
  3. Step 3: Cross multiply
    59,929.05x = 89,893.64 × 20,486.49
  4. Step 4: Simplify right side
    59,929.05x = 1,841,605,054.49
  5. Step 5: Solve for x
    x = 1,841,605,054.49/59,929.05
  6. Step 6: Final answer
    x = 30,729.76

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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.