Home / 43,595.64-65,394.06-12,430.89

Finding the Fourth Proportional to 43,595.64, 65,394.06 and 12,430.89

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Solution

The fourth proportional to 43,595.64, 65,394.06 and 12,430.89 is: 18,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,595.64 : 65,394.06 = 12,430.89 : x
  2. Step 2: Convert to fraction form
    43,595.64/65,394.06 = 12,430.89/x
  3. Step 3: Cross multiply
    43,595.64x = 65,394.06 × 12,430.89
  4. Step 4: Simplify right side
    43,595.64x = 812,906,366.51
  5. Step 5: Solve for x
    x = 812,906,366.51/43,595.64
  6. Step 6: Final answer
    x = 18,646.51

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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.