Home / 31,051.07-42,850.57-16,904.01

Finding the Fourth Proportional to 31,051.07, 42,850.57 and 16,904.01

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Solution

The fourth proportional to 31,051.07, 42,850.57 and 16,904.01 is: 23,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051.07 : 42,850.57 = 16,904.01 : x
  2. Step 2: Convert to fraction form
    31,051.07/42,850.57 = 16,904.01/x
  3. Step 3: Cross multiply
    31,051.07x = 42,850.57 × 16,904.01
  4. Step 4: Simplify right side
    31,051.07x = 724,346,463.79
  5. Step 5: Solve for x
    x = 724,346,463.79/31,051.07
  6. Step 6: Final answer
    x = 23,327.59

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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.