Home / 43,359.84-65,030.58-13,780.26

Finding the Fourth Proportional to 43,359.84, 65,030.58 and 13,780.26

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Solution

The fourth proportional to 43,359.84, 65,030.58 and 13,780.26 is: 20,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,359.84 : 65,030.58 = 13,780.26 : x
  2. Step 2: Convert to fraction form
    43,359.84/65,030.58 = 13,780.26/x
  3. Step 3: Cross multiply
    43,359.84x = 65,030.58 × 13,780.26
  4. Step 4: Simplify right side
    43,359.84x = 896,138,300.35
  5. Step 5: Solve for x
    x = 896,138,300.35/43,359.84
  6. Step 6: Final answer
    x = 20,667.47

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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.