Home / 43,721.40-60,303.57-28,589.79

Finding the Fourth Proportional to 43,721.40, 60,303.57 and 28,589.79

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Solution

The fourth proportional to 43,721.40, 60,303.57 and 28,589.79 is: 39,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721.40 : 60,303.57 = 28,589.79 : x
  2. Step 2: Convert to fraction form
    43,721.40/60,303.57 = 28,589.79/x
  3. Step 3: Cross multiply
    43,721.40x = 60,303.57 × 28,589.79
  4. Step 4: Simplify right side
    43,721.40x = 1,724,066,402.55
  5. Step 5: Solve for x
    x = 1,724,066,402.55/43,721.40
  6. Step 6: Final answer
    x = 39,433.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.