Home / 39,178.89-58,768.07-15,804.99

Finding the Fourth Proportional to 39,178.89, 58,768.07 and 15,804.99

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Solution

The fourth proportional to 39,178.89, 58,768.07 and 15,804.99 is: 23,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.89 : 58,768.07 = 15,804.99 : x
  2. Step 2: Convert to fraction form
    39,178.89/58,768.07 = 15,804.99/x
  3. Step 3: Cross multiply
    39,178.89x = 58,768.07 × 15,804.99
  4. Step 4: Simplify right side
    39,178.89x = 928,828,679.64
  5. Step 5: Solve for x
    x = 928,828,679.64/39,178.89
  6. Step 6: Final answer
    x = 23,707.38

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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.