Home / 39,911.94-59,777.28-30,955.38

Finding the Fourth Proportional to 39,911.94, 59,777.28 and 30,955.38

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Solution

The fourth proportional to 39,911.94, 59,777.28 and 30,955.38 is: 46,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.94 : 59,777.28 = 30,955.38 : x
  2. Step 2: Convert to fraction form
    39,911.94/59,777.28 = 30,955.38/x
  3. Step 3: Cross multiply
    39,911.94x = 59,777.28 × 30,955.38
  4. Step 4: Simplify right side
    39,911.94x = 1,850,428,417.77
  5. Step 5: Solve for x
    x = 1,850,428,417.77/39,911.94
  6. Step 6: Final answer
    x = 46,362.78

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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.