Home / 31,587.95-43,591.43-17,440.81

Finding the Fourth Proportional to 31,587.95, 43,591.43 and 17,440.81

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Solution

The fourth proportional to 31,587.95, 43,591.43 and 17,440.81 is: 24,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.95 : 43,591.43 = 17,440.81 : x
  2. Step 2: Convert to fraction form
    31,587.95/43,591.43 = 17,440.81/x
  3. Step 3: Cross multiply
    31,587.95x = 43,591.43 × 17,440.81
  4. Step 4: Simplify right side
    31,587.95x = 760,269,782.88
  5. Step 5: Solve for x
    x = 760,269,782.88/31,587.95
  6. Step 6: Final answer
    x = 24,068.35

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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.