Home / 39,030.21-58,498.17-19,009.70

Finding the Fourth Proportional to 39,030.21, 58,498.17 and 19,009.70

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Solution

The fourth proportional to 39,030.21, 58,498.17 and 19,009.70 is: 28,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.21 : 58,498.17 = 19,009.70 : x
  2. Step 2: Convert to fraction form
    39,030.21/58,498.17 = 19,009.70/x
  3. Step 3: Cross multiply
    39,030.21x = 58,498.17 × 19,009.70
  4. Step 4: Simplify right side
    39,030.21x = 1,112,032,662.25
  5. Step 5: Solve for x
    x = 1,112,032,662.25/39,030.21
  6. Step 6: Final answer
    x = 28,491.59

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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.