Home / 30,420,275-41,979,979.50-17,543,219

Finding the Fourth Proportional to 30,420,275, 41,979,979.50 and 17,543,219

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Solution

The fourth proportional to 30,420,275, 41,979,979.50 and 17,543,219 is: 24,209,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420,275 : 41,979,979.50 = 17,543,219 : x
  2. Step 2: Convert to fraction form
    30,420,275/41,979,979.50 = 17,543,219/x
  3. Step 3: Cross multiply
    30,420,275x = 41,979,979.50 × 17,543,219
  4. Step 4: Simplify right side
    30,420,275x = 736,463,973,984,010.50
  5. Step 5: Solve for x
    x = 736,463,973,984,010.50/30,420,275
  6. Step 6: Final answer
    x = 24,209,642.22

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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.