Home / 39,364.38-58,995.54-15,978.06

Finding the Fourth Proportional to 39,364.38, 58,995.54 and 15,978.06

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Solution

The fourth proportional to 39,364.38, 58,995.54 and 15,978.06 is: 23,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.38 : 58,995.54 = 15,978.06 : x
  2. Step 2: Convert to fraction form
    39,364.38/58,995.54 = 15,978.06/x
  3. Step 3: Cross multiply
    39,364.38x = 58,995.54 × 15,978.06
  4. Step 4: Simplify right side
    39,364.38x = 942,634,277.85
  5. Step 5: Solve for x
    x = 942,634,277.85/39,364.38
  6. Step 6: Final answer
    x = 23,946.38

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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.