Home / 30,765.08-42,455.81-16,617.93

Finding the Fourth Proportional to 30,765.08, 42,455.81 and 16,617.93

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Solution

The fourth proportional to 30,765.08, 42,455.81 and 16,617.93 is: 22,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.08 : 42,455.81 = 16,617.93 : x
  2. Step 2: Convert to fraction form
    30,765.08/42,455.81 = 16,617.93/x
  3. Step 3: Cross multiply
    30,765.08x = 42,455.81 × 16,617.93
  4. Step 4: Simplify right side
    30,765.08x = 705,527,466.39
  5. Step 5: Solve for x
    x = 705,527,466.39/30,765.08
  6. Step 6: Final answer
    x = 22,932.74

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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.