Home / 30,346-41,877.06-16,918.36

Finding the Fourth Proportional to 30,346, 41,877.06 and 16,918.36

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Solution

The fourth proportional to 30,346, 41,877.06 and 16,918.36 is: 23,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346 : 41,877.06 = 16,918.36 : x
  2. Step 2: Convert to fraction form
    30,346/41,877.06 = 16,918.36/x
  3. Step 3: Cross multiply
    30,346x = 41,877.06 × 16,918.36
  4. Step 4: Simplify right side
    30,346x = 708,491,176.82
  5. Step 5: Solve for x
    x = 708,491,176.82/30,346
  6. Step 6: Final answer
    x = 23,347.10

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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.