Home / 54,328.75-74,973.95-31,683.45

Finding the Fourth Proportional to 54,328.75, 74,973.95 and 31,683.45

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Solution

The fourth proportional to 54,328.75, 74,973.95 and 31,683.45 is: 43,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.75 : 74,973.95 = 31,683.45 : x
  2. Step 2: Convert to fraction form
    54,328.75/74,973.95 = 31,683.45/x
  3. Step 3: Cross multiply
    54,328.75x = 74,973.95 × 31,683.45
  4. Step 4: Simplify right side
    54,328.75x = 2,375,433,396.13
  5. Step 5: Solve for x
    x = 2,375,433,396.13/54,328.75
  6. Step 6: Final answer
    x = 43,723.32

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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.