Home / 35,603.32-49,132.90-19,688.84

Finding the Fourth Proportional to 35,603.32, 49,132.90 and 19,688.84

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Solution

The fourth proportional to 35,603.32, 49,132.90 and 19,688.84 is: 27,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.32 : 49,132.90 = 19,688.84 : x
  2. Step 2: Convert to fraction form
    35,603.32/49,132.90 = 19,688.84/x
  3. Step 3: Cross multiply
    35,603.32x = 49,132.90 × 19,688.84
  4. Step 4: Simplify right side
    35,603.32x = 967,369,806.84
  5. Step 5: Solve for x
    x = 967,369,806.84/35,603.32
  6. Step 6: Final answer
    x = 27,170.78

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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.