Home / 31,783.77-43,861.91-17,637.93

Finding the Fourth Proportional to 31,783.77, 43,861.91 and 17,637.93

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Solution

The fourth proportional to 31,783.77, 43,861.91 and 17,637.93 is: 24,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.77 : 43,861.91 = 17,637.93 : x
  2. Step 2: Convert to fraction form
    31,783.77/43,861.91 = 17,637.93/x
  3. Step 3: Cross multiply
    31,783.77x = 43,861.91 × 17,637.93
  4. Step 4: Simplify right side
    31,783.77x = 773,633,210.06
  5. Step 5: Solve for x
    x = 773,633,210.06/31,783.77
  6. Step 6: Final answer
    x = 24,340.51

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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.