Home / 43,207.39-64,649.49-30,756.07

Finding the Fourth Proportional to 43,207.39, 64,649.49 and 30,756.07

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Solution

The fourth proportional to 43,207.39, 64,649.49 and 30,756.07 is: 46,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.39 : 64,649.49 = 30,756.07 : x
  2. Step 2: Convert to fraction form
    43,207.39/64,649.49 = 30,756.07/x
  3. Step 3: Cross multiply
    43,207.39x = 64,649.49 × 30,756.07
  4. Step 4: Simplify right side
    43,207.39x = 1,988,364,239.90
  5. Step 5: Solve for x
    x = 1,988,364,239.90/43,207.39
  6. Step 6: Final answer
    x = 46,019.08

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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.