Home / 46,777.25-64,620.90-40,478.69

Finding the Fourth Proportional to 46,777.25, 64,620.90 and 40,478.69

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Solution

The fourth proportional to 46,777.25, 64,620.90 and 40,478.69 is: 55,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,777.25 : 64,620.90 = 40,478.69 : x
  2. Step 2: Convert to fraction form
    46,777.25/64,620.90 = 40,478.69/x
  3. Step 3: Cross multiply
    46,777.25x = 64,620.90 × 40,478.69
  4. Step 4: Simplify right side
    46,777.25x = 2,615,769,055.52
  5. Step 5: Solve for x
    x = 2,615,769,055.52/46,777.25
  6. Step 6: Final answer
    x = 55,919.69

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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.