Home / 46,940.77-64,778.26-28,077.89

Finding the Fourth Proportional to 46,940.77, 64,778.26 and 28,077.89

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Solution

The fourth proportional to 46,940.77, 64,778.26 and 28,077.89 is: 38,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.77 : 64,778.26 = 28,077.89 : x
  2. Step 2: Convert to fraction form
    46,940.77/64,778.26 = 28,077.89/x
  3. Step 3: Cross multiply
    46,940.77x = 64,778.26 × 28,077.89
  4. Step 4: Simplify right side
    46,940.77x = 1,818,836,802.64
  5. Step 5: Solve for x
    x = 1,818,836,802.64/46,940.77
  6. Step 6: Final answer
    x = 38,747.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.