Home / 31,315.34-43,210.49-17,883.77

Finding the Fourth Proportional to 31,315.34, 43,210.49 and 17,883.77

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Solution

The fourth proportional to 31,315.34, 43,210.49 and 17,883.77 is: 24,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.34 : 43,210.49 = 17,883.77 : x
  2. Step 2: Convert to fraction form
    31,315.34/43,210.49 = 17,883.77/x
  3. Step 3: Cross multiply
    31,315.34x = 43,210.49 × 17,883.77
  4. Step 4: Simplify right side
    31,315.34x = 772,766,159.28
  5. Step 5: Solve for x
    x = 772,766,159.28/31,315.34
  6. Step 6: Final answer
    x = 24,676.92

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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.