Home / 54,771.47-75,578.95-40,438.93

Finding the Fourth Proportional to 54,771.47, 75,578.95 and 40,438.93

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Solution

The fourth proportional to 54,771.47, 75,578.95 and 40,438.93 is: 55,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.47 : 75,578.95 = 40,438.93 : x
  2. Step 2: Convert to fraction form
    54,771.47/75,578.95 = 40,438.93/x
  3. Step 3: Cross multiply
    54,771.47x = 75,578.95 × 40,438.93
  4. Step 4: Simplify right side
    54,771.47x = 3,056,331,868.52
  5. Step 5: Solve for x
    x = 3,056,331,868.52/54,771.47
  6. Step 6: Final answer
    x = 55,801.53

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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.