Home / 43,302.23-64,946.03-12,130.31

Finding the Fourth Proportional to 43,302.23, 64,946.03 and 12,130.31

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Solution

The fourth proportional to 43,302.23, 64,946.03 and 12,130.31 is: 18,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.23 : 64,946.03 = 12,130.31 : x
  2. Step 2: Convert to fraction form
    43,302.23/64,946.03 = 12,130.31/x
  3. Step 3: Cross multiply
    43,302.23x = 64,946.03 × 12,130.31
  4. Step 4: Simplify right side
    43,302.23x = 787,815,416.52
  5. Step 5: Solve for x
    x = 787,815,416.52/43,302.23
  6. Step 6: Final answer
    x = 18,193.41

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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.