Home / 30,483.69-42,066.66-17,055.51

Finding the Fourth Proportional to 30,483.69, 42,066.66 and 17,055.51

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Solution

The fourth proportional to 30,483.69, 42,066.66 and 17,055.51 is: 23,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.69 : 42,066.66 = 17,055.51 : x
  2. Step 2: Convert to fraction form
    30,483.69/42,066.66 = 17,055.51/x
  3. Step 3: Cross multiply
    30,483.69x = 42,066.66 × 17,055.51
  4. Step 4: Simplify right side
    30,483.69x = 717,468,340.30
  5. Step 5: Solve for x
    x = 717,468,340.30/30,483.69
  6. Step 6: Final answer
    x = 23,536.14

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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.