Home / 39,187.61-58,741.20-15,485.56

Finding the Fourth Proportional to 39,187.61, 58,741.20 and 15,485.56

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Solution

The fourth proportional to 39,187.61, 58,741.20 and 15,485.56 is: 23,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.61 : 58,741.20 = 15,485.56 : x
  2. Step 2: Convert to fraction form
    39,187.61/58,741.20 = 15,485.56/x
  3. Step 3: Cross multiply
    39,187.61x = 58,741.20 × 15,485.56
  4. Step 4: Simplify right side
    39,187.61x = 909,640,377.07
  5. Step 5: Solve for x
    x = 909,640,377.07/39,187.61
  6. Step 6: Final answer
    x = 23,212.45

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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.