Home / 38,388.22-52,989-22,477.78

Finding the Fourth Proportional to 38,388.22, 52,989 and 22,477.78

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Solution

The fourth proportional to 38,388.22, 52,989 and 22,477.78 is: 31,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.22 : 52,989 = 22,477.78 : x
  2. Step 2: Convert to fraction form
    38,388.22/52,989 = 22,477.78/x
  3. Step 3: Cross multiply
    38,388.22x = 52,989 × 22,477.78
  4. Step 4: Simplify right side
    38,388.22x = 1,191,075,084.42
  5. Step 5: Solve for x
    x = 1,191,075,084.42/38,388.22
  6. Step 6: Final answer
    x = 31,027.10

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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.