Home / 31,518.16-47,276.24-12,797.68

Finding the Fourth Proportional to 31,518.16, 47,276.24 and 12,797.68

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Solution

The fourth proportional to 31,518.16, 47,276.24 and 12,797.68 is: 19,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.16 : 47,276.24 = 12,797.68 : x
  2. Step 2: Convert to fraction form
    31,518.16/47,276.24 = 12,797.68/x
  3. Step 3: Cross multiply
    31,518.16x = 47,276.24 × 12,797.68
  4. Step 4: Simplify right side
    31,518.16x = 605,026,191.12
  5. Step 5: Solve for x
    x = 605,026,191.12/31,518.16
  6. Step 6: Final answer
    x = 19,196.11

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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.