Home / 31,435.02-47,152.41-12,714.84

Finding the Fourth Proportional to 31,435.02, 47,152.41 and 12,714.84

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Solution

The fourth proportional to 31,435.02, 47,152.41 and 12,714.84 is: 19,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.02 : 47,152.41 = 12,714.84 : x
  2. Step 2: Convert to fraction form
    31,435.02/47,152.41 = 12,714.84/x
  3. Step 3: Cross multiply
    31,435.02x = 47,152.41 × 12,714.84
  4. Step 4: Simplify right side
    31,435.02x = 599,535,348.76
  5. Step 5: Solve for x
    x = 599,535,348.76/31,435.02
  6. Step 6: Final answer
    x = 19,072.21

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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.