Home / 43,638.40-65,457.60-32,003.20

Finding the Fourth Proportional to 43,638.40, 65,457.60 and 32,003.20

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Solution

The fourth proportional to 43,638.40, 65,457.60 and 32,003.20 is: 48,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638.40 : 65,457.60 = 32,003.20 : x
  2. Step 2: Convert to fraction form
    43,638.40/65,457.60 = 32,003.20/x
  3. Step 3: Cross multiply
    43,638.40x = 65,457.60 × 32,003.20
  4. Step 4: Simplify right side
    43,638.40x = 2,094,852,664.32
  5. Step 5: Solve for x
    x = 2,094,852,664.32/43,638.40
  6. Step 6: Final answer
    x = 48,004.80

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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.