Home / 31,599.90-47,112.30-28,050.01

Finding the Fourth Proportional to 31,599.90, 47,112.30 and 28,050.01

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Solution

The fourth proportional to 31,599.90, 47,112.30 and 28,050.01 is: 41,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.90 : 47,112.30 = 28,050.01 : x
  2. Step 2: Convert to fraction form
    31,599.90/47,112.30 = 28,050.01/x
  3. Step 3: Cross multiply
    31,599.90x = 47,112.30 × 28,050.01
  4. Step 4: Simplify right side
    31,599.90x = 1,321,500,368.34
  5. Step 5: Solve for x
    x = 1,321,500,368.34/31,599.90
  6. Step 6: Final answer
    x = 41,819.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.