Home / 30,315.47-41,836.10-16,886.48

Finding the Fourth Proportional to 30,315.47, 41,836.10 and 16,886.48

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Solution

The fourth proportional to 30,315.47, 41,836.10 and 16,886.48 is: 23,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.47 : 41,836.10 = 16,886.48 : x
  2. Step 2: Convert to fraction form
    30,315.47/41,836.10 = 16,886.48/x
  3. Step 3: Cross multiply
    30,315.47x = 41,836.10 × 16,886.48
  4. Step 4: Simplify right side
    30,315.47x = 706,464,172.32
  5. Step 5: Solve for x
    x = 706,464,172.32/30,315.47
  6. Step 6: Final answer
    x = 23,303.76

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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.