Home / 43,207.20-64,810.80-37,850.40

Finding the Fourth Proportional to 43,207.20, 64,810.80 and 37,850.40

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Solution

The fourth proportional to 43,207.20, 64,810.80 and 37,850.40 is: 56,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.20 : 64,810.80 = 37,850.40 : x
  2. Step 2: Convert to fraction form
    43,207.20/64,810.80 = 37,850.40/x
  3. Step 3: Cross multiply
    43,207.20x = 64,810.80 × 37,850.40
  4. Step 4: Simplify right side
    43,207.20x = 2,453,114,704.32
  5. Step 5: Solve for x
    x = 2,453,114,704.32/43,207.20
  6. Step 6: Final answer
    x = 56,775.60

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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.