Home / 31,210.11-43,066.58-18,463.77

Finding the Fourth Proportional to 31,210.11, 43,066.58 and 18,463.77

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Solution

The fourth proportional to 31,210.11, 43,066.58 and 18,463.77 is: 25,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.11 : 43,066.58 = 18,463.77 : x
  2. Step 2: Convert to fraction form
    31,210.11/43,066.58 = 18,463.77/x
  3. Step 3: Cross multiply
    31,210.11x = 43,066.58 × 18,463.77
  4. Step 4: Simplify right side
    31,210.11x = 795,171,335.49
  5. Step 5: Solve for x
    x = 795,171,335.49/31,210.11
  6. Step 6: Final answer
    x = 25,478.00

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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.