Home / 31,828.77-43,925.63-17,681.58

Finding the Fourth Proportional to 31,828.77, 43,925.63 and 17,681.58

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Solution

The fourth proportional to 31,828.77, 43,925.63 and 17,681.58 is: 24,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.77 : 43,925.63 = 17,681.58 : x
  2. Step 2: Convert to fraction form
    31,828.77/43,925.63 = 17,681.58/x
  3. Step 3: Cross multiply
    31,828.77x = 43,925.63 × 17,681.58
  4. Step 4: Simplify right side
    31,828.77x = 776,674,452.49
  5. Step 5: Solve for x
    x = 776,674,452.49/31,828.77
  6. Step 6: Final answer
    x = 24,401.65

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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.