Home / 39,308.92-58,967.94-13,030.36

Finding the Fourth Proportional to 39,308.92, 58,967.94 and 13,030.36

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Solution

The fourth proportional to 39,308.92, 58,967.94 and 13,030.36 is: 19,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.92 : 58,967.94 = 13,030.36 : x
  2. Step 2: Convert to fraction form
    39,308.92/58,967.94 = 13,030.36/x
  3. Step 3: Cross multiply
    39,308.92x = 58,967.94 × 13,030.36
  4. Step 4: Simplify right side
    39,308.92x = 768,373,486.66
  5. Step 5: Solve for x
    x = 768,373,486.66/39,308.92
  6. Step 6: Final answer
    x = 19,547.05

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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.