Home / 37,450.20-56,102.40-20,780.40

Finding the Fourth Proportional to 37,450.20, 56,102.40 and 20,780.40

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Solution

The fourth proportional to 37,450.20, 56,102.40 and 20,780.40 is: 31,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.20 : 56,102.40 = 20,780.40 : x
  2. Step 2: Convert to fraction form
    37,450.20/56,102.40 = 20,780.40/x
  3. Step 3: Cross multiply
    37,450.20x = 56,102.40 × 20,780.40
  4. Step 4: Simplify right side
    37,450.20x = 1,165,830,312.96
  5. Step 5: Solve for x
    x = 1,165,830,312.96/37,450.20
  6. Step 6: Final answer
    x = 31,130.15

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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.