Home / 43,824.12-65,637.77-42,347.90

Finding the Fourth Proportional to 43,824.12, 65,637.77 and 42,347.90

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Solution

The fourth proportional to 43,824.12, 65,637.77 and 42,347.90 is: 63,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.12 : 65,637.77 = 42,347.90 : x
  2. Step 2: Convert to fraction form
    43,824.12/65,637.77 = 42,347.90/x
  3. Step 3: Cross multiply
    43,824.12x = 65,637.77 × 42,347.90
  4. Step 4: Simplify right side
    43,824.12x = 2,779,621,180.25
  5. Step 5: Solve for x
    x = 2,779,621,180.25/43,824.12
  6. Step 6: Final answer
    x = 63,426.74

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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.