Home / 43,458.23-65,216.54-15,378.16

Finding the Fourth Proportional to 43,458.23, 65,216.54 and 15,378.16

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Solution

The fourth proportional to 43,458.23, 65,216.54 and 15,378.16 is: 23,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.23 : 65,216.54 = 15,378.16 : x
  2. Step 2: Convert to fraction form
    43,458.23/65,216.54 = 15,378.16/x
  3. Step 3: Cross multiply
    43,458.23x = 65,216.54 × 15,378.16
  4. Step 4: Simplify right side
    43,458.23x = 1,002,910,386.77
  5. Step 5: Solve for x
    x = 1,002,910,386.77/43,458.23
  6. Step 6: Final answer
    x = 23,077.57

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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.