Home / 30,386.34-41,923.31-16,955.46

Finding the Fourth Proportional to 30,386.34, 41,923.31 and 16,955.46

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Solution

The fourth proportional to 30,386.34, 41,923.31 and 16,955.46 is: 23,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.34 : 41,923.31 = 16,955.46 : x
  2. Step 2: Convert to fraction form
    30,386.34/41,923.31 = 16,955.46/x
  3. Step 3: Cross multiply
    30,386.34x = 41,923.31 × 16,955.46
  4. Step 4: Simplify right side
    30,386.34x = 710,828,921.00
  5. Step 5: Solve for x
    x = 710,828,921.00/30,386.34
  6. Step 6: Final answer
    x = 23,393.04

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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.