Home / 43,415.32-65,110.02-18,455.26

Finding the Fourth Proportional to 43,415.32, 65,110.02 and 18,455.26

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Solution

The fourth proportional to 43,415.32, 65,110.02 and 18,455.26 is: 27,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415.32 : 65,110.02 = 18,455.26 : x
  2. Step 2: Convert to fraction form
    43,415.32/65,110.02 = 18,455.26/x
  3. Step 3: Cross multiply
    43,415.32x = 65,110.02 × 18,455.26
  4. Step 4: Simplify right side
    43,415.32x = 1,201,622,347.71
  5. Step 5: Solve for x
    x = 1,201,622,347.71/43,415.32
  6. Step 6: Final answer
    x = 27,677.38

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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.