Home / 39,000.41-58,465.19-20,258.51

Finding the Fourth Proportional to 39,000.41, 58,465.19 and 20,258.51

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Solution

The fourth proportional to 39,000.41, 58,465.19 and 20,258.51 is: 30,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.41 : 58,465.19 = 20,258.51 : x
  2. Step 2: Convert to fraction form
    39,000.41/58,465.19 = 20,258.51/x
  3. Step 3: Cross multiply
    39,000.41x = 58,465.19 × 20,258.51
  4. Step 4: Simplify right side
    39,000.41x = 1,184,417,394.59
  5. Step 5: Solve for x
    x = 1,184,417,394.59/39,000.41
  6. Step 6: Final answer
    x = 30,369.36

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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.