Home / 43,931.50-65,905.56-17,638.30

Finding the Fourth Proportional to 43,931.50, 65,905.56 and 17,638.30

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Solution

The fourth proportional to 43,931.50, 65,905.56 and 17,638.30 is: 26,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,931.50 : 65,905.56 = 17,638.30 : x
  2. Step 2: Convert to fraction form
    43,931.50/65,905.56 = 17,638.30/x
  3. Step 3: Cross multiply
    43,931.50x = 65,905.56 × 17,638.30
  4. Step 4: Simplify right side
    43,931.50x = 1,162,462,038.95
  5. Step 5: Solve for x
    x = 1,162,462,038.95/43,931.50
  6. Step 6: Final answer
    x = 26,460.79

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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.