Home / 43,495.92-65,248.56-13,903.20

Finding the Fourth Proportional to 43,495.92, 65,248.56 and 13,903.20

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Solution

The fourth proportional to 43,495.92, 65,248.56 and 13,903.20 is: 20,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,495.92 : 65,248.56 = 13,903.20 : x
  2. Step 2: Convert to fraction form
    43,495.92/65,248.56 = 13,903.20/x
  3. Step 3: Cross multiply
    43,495.92x = 65,248.56 × 13,903.20
  4. Step 4: Simplify right side
    43,495.92x = 907,163,779.39
  5. Step 5: Solve for x
    x = 907,163,779.39/43,495.92
  6. Step 6: Final answer
    x = 20,856.30

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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.