Home / 30,624.08-42,219.43-19,849.46

Finding the Fourth Proportional to 30,624.08, 42,219.43 and 19,849.46

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Solution

The fourth proportional to 30,624.08, 42,219.43 and 19,849.46 is: 27,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.08 : 42,219.43 = 19,849.46 : x
  2. Step 2: Convert to fraction form
    30,624.08/42,219.43 = 19,849.46/x
  3. Step 3: Cross multiply
    30,624.08x = 42,219.43 × 19,849.46
  4. Step 4: Simplify right side
    30,624.08x = 838,032,626.29
  5. Step 5: Solve for x
    x = 838,032,626.29/30,624.08
  6. Step 6: Final answer
    x = 27,365.16

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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.