Home / 30,975.29-42,746.08-19,046.42

Finding the Fourth Proportional to 30,975.29, 42,746.08 and 19,046.42

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Solution

The fourth proportional to 30,975.29, 42,746.08 and 19,046.42 is: 26,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.29 : 42,746.08 = 19,046.42 : x
  2. Step 2: Convert to fraction form
    30,975.29/42,746.08 = 19,046.42/x
  3. Step 3: Cross multiply
    30,975.29x = 42,746.08 × 19,046.42
  4. Step 4: Simplify right side
    30,975.29x = 814,159,793.03
  5. Step 5: Solve for x
    x = 814,159,793.03/30,975.29
  6. Step 6: Final answer
    x = 26,284.17

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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.