Home / 30,973.14-42,752.73-19,795.14

Finding the Fourth Proportional to 30,973.14, 42,752.73 and 19,795.14

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Solution

The fourth proportional to 30,973.14, 42,752.73 and 19,795.14 is: 27,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.14 : 42,752.73 = 19,795.14 : x
  2. Step 2: Convert to fraction form
    30,973.14/42,752.73 = 19,795.14/x
  3. Step 3: Cross multiply
    30,973.14x = 42,752.73 × 19,795.14
  4. Step 4: Simplify right side
    30,973.14x = 846,296,275.73
  5. Step 5: Solve for x
    x = 846,296,275.73/30,973.14
  6. Step 6: Final answer
    x = 27,323.55

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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.