Home / 40,495.77-60,743.70-10,916.55

Finding the Fourth Proportional to 40,495.77, 60,743.70 and 10,916.55

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Solution

The fourth proportional to 40,495.77, 60,743.70 and 10,916.55 is: 16,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.77 : 60,743.70 = 10,916.55 : x
  2. Step 2: Convert to fraction form
    40,495.77/60,743.70 = 10,916.55/x
  3. Step 3: Cross multiply
    40,495.77x = 60,743.70 × 10,916.55
  4. Step 4: Simplify right side
    40,495.77x = 663,111,638.24
  5. Step 5: Solve for x
    x = 663,111,638.24/40,495.77
  6. Step 6: Final answer
    x = 16,374.84

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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.