Home / 31,587.90-43,591.15-17,440.64

Finding the Fourth Proportional to 31,587.90, 43,591.15 and 17,440.64

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Solution

The fourth proportional to 31,587.90, 43,591.15 and 17,440.64 is: 24,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.90 : 43,591.15 = 17,440.64 : x
  2. Step 2: Convert to fraction form
    31,587.90/43,591.15 = 17,440.64/x
  3. Step 3: Cross multiply
    31,587.90x = 43,591.15 × 17,440.64
  4. Step 4: Simplify right side
    31,587.90x = 760,257,554.34
  5. Step 5: Solve for x
    x = 760,257,554.34/31,587.90
  6. Step 6: Final answer
    x = 24,068.00

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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.