Home / 31,585.64-43,587.06-17,438.45

Finding the Fourth Proportional to 31,585.64, 43,587.06 and 17,438.45

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Solution

The fourth proportional to 31,585.64, 43,587.06 and 17,438.45 is: 24,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.64 : 43,587.06 = 17,438.45 : x
  2. Step 2: Convert to fraction form
    31,585.64/43,587.06 = 17,438.45/x
  3. Step 3: Cross multiply
    31,585.64x = 43,587.06 × 17,438.45
  4. Step 4: Simplify right side
    31,585.64x = 760,090,766.46
  5. Step 5: Solve for x
    x = 760,090,766.46/31,585.64
  6. Step 6: Final answer
    x = 24,064.44

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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.