Home / 30,852.78-42,537.06-25,181.70

Finding the Fourth Proportional to 30,852.78, 42,537.06 and 25,181.70

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Solution

The fourth proportional to 30,852.78, 42,537.06 and 25,181.70 is: 34,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.78 : 42,537.06 = 25,181.70 : x
  2. Step 2: Convert to fraction form
    30,852.78/42,537.06 = 25,181.70/x
  3. Step 3: Cross multiply
    30,852.78x = 42,537.06 × 25,181.70
  4. Step 4: Simplify right side
    30,852.78x = 1,071,155,483.80
  5. Step 5: Solve for x
    x = 1,071,155,483.80/30,852.78
  6. Step 6: Final answer
    x = 34,718.28

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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.