Home / 30,830.04-46,159.14-19,709.28

Finding the Fourth Proportional to 30,830.04, 46,159.14 and 19,709.28

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Solution

The fourth proportional to 30,830.04, 46,159.14 and 19,709.28 is: 29,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.04 : 46,159.14 = 19,709.28 : x
  2. Step 2: Convert to fraction form
    30,830.04/46,159.14 = 19,709.28/x
  3. Step 3: Cross multiply
    30,830.04x = 46,159.14 × 19,709.28
  4. Step 4: Simplify right side
    30,830.04x = 909,763,414.82
  5. Step 5: Solve for x
    x = 909,763,414.82/30,830.04
  6. Step 6: Final answer
    x = 29,508.99

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1.5x scale

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.