Home / 31,670.91-43,705.47-17,330.58

Finding the Fourth Proportional to 31,670.91, 43,705.47 and 17,330.58

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Solution

The fourth proportional to 31,670.91, 43,705.47 and 17,330.58 is: 23,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.91 : 43,705.47 = 17,330.58 : x
  2. Step 2: Convert to fraction form
    31,670.91/43,705.47 = 17,330.58/x
  3. Step 3: Cross multiply
    31,670.91x = 43,705.47 × 17,330.58
  4. Step 4: Simplify right side
    31,670.91x = 757,441,332.18
  5. Step 5: Solve for x
    x = 757,441,332.18/31,670.91
  6. Step 6: Final answer
    x = 23,916.00

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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.