Home / 40,480.90-55,848.36-40,418.53

Finding the Fourth Proportional to 40,480.90, 55,848.36 and 40,418.53

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Solution

The fourth proportional to 40,480.90, 55,848.36 and 40,418.53 is: 55,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480.90 : 55,848.36 = 40,418.53 : x
  2. Step 2: Convert to fraction form
    40,480.90/55,848.36 = 40,418.53/x
  3. Step 3: Cross multiply
    40,480.90x = 55,848.36 × 40,418.53
  4. Step 4: Simplify right side
    40,480.90x = 2,257,308,614.11
  5. Step 5: Solve for x
    x = 2,257,308,614.11/40,480.90
  6. Step 6: Final answer
    x = 55,762.31

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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.