Home / 53,367.49-80,099.70-28,428.81

Finding the Fourth Proportional to 53,367.49, 80,099.70 and 28,428.81

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Solution

The fourth proportional to 53,367.49, 80,099.70 and 28,428.81 is: 42,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367.49 : 80,099.70 = 28,428.81 : x
  2. Step 2: Convert to fraction form
    53,367.49/80,099.70 = 28,428.81/x
  3. Step 3: Cross multiply
    53,367.49x = 80,099.70 × 28,428.81
  4. Step 4: Simplify right side
    53,367.49x = 2,277,139,152.36
  5. Step 5: Solve for x
    x = 2,277,139,152.36/53,367.49
  6. Step 6: Final answer
    x = 42,669.03

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1.5x scale

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.