Home / 31,597.18-47,395.63-12,873.04

Finding the Fourth Proportional to 31,597.18, 47,395.63 and 12,873.04

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Solution

The fourth proportional to 31,597.18, 47,395.63 and 12,873.04 is: 19,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.18 : 47,395.63 = 12,873.04 : x
  2. Step 2: Convert to fraction form
    31,597.18/47,395.63 = 12,873.04/x
  3. Step 3: Cross multiply
    31,597.18x = 47,395.63 × 12,873.04
  4. Step 4: Simplify right side
    31,597.18x = 610,125,840.82
  5. Step 5: Solve for x
    x = 610,125,840.82/31,597.18
  6. Step 6: Final answer
    x = 19,309.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.