Home / 31,106.39-42,925.57-16,958.93

Finding the Fourth Proportional to 31,106.39, 42,925.57 and 16,958.93

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Solution

The fourth proportional to 31,106.39, 42,925.57 and 16,958.93 is: 23,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.39 : 42,925.57 = 16,958.93 : x
  2. Step 2: Convert to fraction form
    31,106.39/42,925.57 = 16,958.93/x
  3. Step 3: Cross multiply
    31,106.39x = 42,925.57 × 16,958.93
  4. Step 4: Simplify right side
    31,106.39x = 727,971,736.84
  5. Step 5: Solve for x
    x = 727,971,736.84/31,106.39
  6. Step 6: Final answer
    x = 23,402.64

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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.