Home / 30,386.67-41,931.84-16,956.87

Finding the Fourth Proportional to 30,386.67, 41,931.84 and 16,956.87

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Solution

The fourth proportional to 30,386.67, 41,931.84 and 16,956.87 is: 23,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.67 : 41,931.84 = 16,956.87 : x
  2. Step 2: Convert to fraction form
    30,386.67/41,931.84 = 16,956.87/x
  3. Step 3: Cross multiply
    30,386.67x = 41,931.84 × 16,956.87
  4. Step 4: Simplify right side
    30,386.67x = 711,032,759.74
  5. Step 5: Solve for x
    x = 711,032,759.74/30,386.67
  6. Step 6: Final answer
    x = 23,399.50

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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.