Home / 31,014.16-42,799.65-16,867.01

Finding the Fourth Proportional to 31,014.16, 42,799.65 and 16,867.01

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Solution

The fourth proportional to 31,014.16, 42,799.65 and 16,867.01 is: 23,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.16 : 42,799.65 = 16,867.01 : x
  2. Step 2: Convert to fraction form
    31,014.16/42,799.65 = 16,867.01/x
  3. Step 3: Cross multiply
    31,014.16x = 42,799.65 × 16,867.01
  4. Step 4: Simplify right side
    31,014.16x = 721,901,973.80
  5. Step 5: Solve for x
    x = 721,901,973.80/31,014.16
  6. Step 6: Final answer
    x = 23,276.53

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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.