Home / 35,775.05-49,368.60-19,859.09

Finding the Fourth Proportional to 35,775.05, 49,368.60 and 19,859.09

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Solution

The fourth proportional to 35,775.05, 49,368.60 and 19,859.09 is: 27,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.05 : 49,368.60 = 19,859.09 : x
  2. Step 2: Convert to fraction form
    35,775.05/49,368.60 = 19,859.09/x
  3. Step 3: Cross multiply
    35,775.05x = 49,368.60 × 19,859.09
  4. Step 4: Simplify right side
    35,775.05x = 980,415,223.73
  5. Step 5: Solve for x
    x = 980,415,223.73/35,775.05
  6. Step 6: Final answer
    x = 27,405.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.