Home / 35,852.78-49,478.18-19,938.35

Finding the Fourth Proportional to 35,852.78, 49,478.18 and 19,938.35

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Solution

The fourth proportional to 35,852.78, 49,478.18 and 19,938.35 is: 27,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,852.78 : 49,478.18 = 19,938.35 : x
  2. Step 2: Convert to fraction form
    35,852.78/49,478.18 = 19,938.35/x
  3. Step 3: Cross multiply
    35,852.78x = 49,478.18 × 19,938.35
  4. Step 4: Simplify right side
    35,852.78x = 986,512,923.12
  5. Step 5: Solve for x
    x = 986,512,923.12/35,852.78
  6. Step 6: Final answer
    x = 27,515.66

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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.