Home / 43,431.17-65,135.00-15,347.49

Finding the Fourth Proportional to 43,431.17, 65,135.00 and 15,347.49

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Solution

The fourth proportional to 43,431.17, 65,135.00 and 15,347.49 is: 23,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431.17 : 65,135.00 = 15,347.49 : x
  2. Step 2: Convert to fraction form
    43,431.17/65,135.00 = 15,347.49/x
  3. Step 3: Cross multiply
    43,431.17x = 65,135.00 × 15,347.49
  4. Step 4: Simplify right side
    43,431.17x = 999,658,684.41
  5. Step 5: Solve for x
    x = 999,658,684.41/43,431.17
  6. Step 6: Final answer
    x = 23,017.08

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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.