Home / 43,278.10-64,880.70-22,501.60

Finding the Fourth Proportional to 43,278.10, 64,880.70 and 22,501.60

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Solution

The fourth proportional to 43,278.10, 64,880.70 and 22,501.60 is: 33,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.10 : 64,880.70 = 22,501.60 : x
  2. Step 2: Convert to fraction form
    43,278.10/64,880.70 = 22,501.60/x
  3. Step 3: Cross multiply
    43,278.10x = 64,880.70 × 22,501.60
  4. Step 4: Simplify right side
    43,278.10x = 1,459,919,559.12
  5. Step 5: Solve for x
    x = 1,459,919,559.12/43,278.10
  6. Step 6: Final answer
    x = 33,733.45

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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.