Home / 37,887.45-56,779.74-20,113.62

Finding the Fourth Proportional to 37,887.45, 56,779.74 and 20,113.62

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Solution

The fourth proportional to 37,887.45, 56,779.74 and 20,113.62 is: 30,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.45 : 56,779.74 = 20,113.62 : x
  2. Step 2: Convert to fraction form
    37,887.45/56,779.74 = 20,113.62/x
  3. Step 3: Cross multiply
    37,887.45x = 56,779.74 × 20,113.62
  4. Step 4: Simplify right side
    37,887.45x = 1,142,046,114.06
  5. Step 5: Solve for x
    x = 1,142,046,114.06/37,887.45
  6. Step 6: Final answer
    x = 30,143.12

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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.