Home / 30,841.12-42,560.74-16,693.96

Finding the Fourth Proportional to 30,841.12, 42,560.74 and 16,693.96

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Solution

The fourth proportional to 30,841.12, 42,560.74 and 16,693.96 is: 23,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.12 : 42,560.74 = 16,693.96 : x
  2. Step 2: Convert to fraction form
    30,841.12/42,560.74 = 16,693.96/x
  3. Step 3: Cross multiply
    30,841.12x = 42,560.74 × 16,693.96
  4. Step 4: Simplify right side
    30,841.12x = 710,507,291.13
  5. Step 5: Solve for x
    x = 710,507,291.13/30,841.12
  6. Step 6: Final answer
    x = 23,037.66

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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.