Home / 39,148.22-58,664-21,623.06

Finding the Fourth Proportional to 39,148.22, 58,664 and 21,623.06

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Solution

The fourth proportional to 39,148.22, 58,664 and 21,623.06 is: 32,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.22 : 58,664 = 21,623.06 : x
  2. Step 2: Convert to fraction form
    39,148.22/58,664 = 21,623.06/x
  3. Step 3: Cross multiply
    39,148.22x = 58,664 × 21,623.06
  4. Step 4: Simplify right side
    39,148.22x = 1,268,495,191.84
  5. Step 5: Solve for x
    x = 1,268,495,191.84/39,148.22
  6. Step 6: Final answer
    x = 32,402.37

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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.