Home / 55,389.04-76,441.32-31,522.96

Finding the Fourth Proportional to 55,389.04, 76,441.32 and 31,522.96

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Solution

The fourth proportional to 55,389.04, 76,441.32 and 31,522.96 is: 43,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.04 : 76,441.32 = 31,522.96 : x
  2. Step 2: Convert to fraction form
    55,389.04/76,441.32 = 31,522.96/x
  3. Step 3: Cross multiply
    55,389.04x = 76,441.32 × 31,522.96
  4. Step 4: Simplify right side
    55,389.04x = 2,409,656,672.71
  5. Step 5: Solve for x
    x = 2,409,656,672.71/55,389.04
  6. Step 6: Final answer
    x = 43,504.21

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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.