Home / 53,368.20-73,643.99-30,708.45

Finding the Fourth Proportional to 53,368.20, 73,643.99 and 30,708.45

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Solution

The fourth proportional to 53,368.20, 73,643.99 and 30,708.45 is: 42,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,368.20 : 73,643.99 = 30,708.45 : x
  2. Step 2: Convert to fraction form
    53,368.20/73,643.99 = 30,708.45/x
  3. Step 3: Cross multiply
    53,368.20x = 73,643.99 × 30,708.45
  4. Step 4: Simplify right side
    53,368.20x = 2,261,492,631.17
  5. Step 5: Solve for x
    x = 2,261,492,631.17/53,368.20
  6. Step 6: Final answer
    x = 42,375.28

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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.