Home / 43,483.95-65,250.54-18,521.40

Finding the Fourth Proportional to 43,483.95, 65,250.54 and 18,521.40

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Solution

The fourth proportional to 43,483.95, 65,250.54 and 18,521.40 is: 27,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,483.95 : 65,250.54 = 18,521.40 : x
  2. Step 2: Convert to fraction form
    43,483.95/65,250.54 = 18,521.40/x
  3. Step 3: Cross multiply
    43,483.95x = 65,250.54 × 18,521.40
  4. Step 4: Simplify right side
    43,483.95x = 1,208,531,351.56
  5. Step 5: Solve for x
    x = 1,208,531,351.56/43,483.95
  6. Step 6: Final answer
    x = 27,792.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.