Home / 43,627.95-65,389.02-19,902.99

Finding the Fourth Proportional to 43,627.95, 65,389.02 and 19,902.99

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Solution

The fourth proportional to 43,627.95, 65,389.02 and 19,902.99 is: 29,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,627.95 : 65,389.02 = 19,902.99 : x
  2. Step 2: Convert to fraction form
    43,627.95/65,389.02 = 19,902.99/x
  3. Step 3: Cross multiply
    43,627.95x = 65,389.02 × 19,902.99
  4. Step 4: Simplify right side
    43,627.95x = 1,301,437,109.79
  5. Step 5: Solve for x
    x = 1,301,437,109.79/43,627.95
  6. Step 6: Final answer
    x = 29,830.35

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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.