Home / 43,315.40-64,940.70-23,616.20

Finding the Fourth Proportional to 43,315.40, 64,940.70 and 23,616.20

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Solution

The fourth proportional to 43,315.40, 64,940.70 and 23,616.20 is: 35,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.40 : 64,940.70 = 23,616.20 : x
  2. Step 2: Convert to fraction form
    43,315.40/64,940.70 = 23,616.20/x
  3. Step 3: Cross multiply
    43,315.40x = 64,940.70 × 23,616.20
  4. Step 4: Simplify right side
    43,315.40x = 1,533,652,559.34
  5. Step 5: Solve for x
    x = 1,533,652,559.34/43,315.40
  6. Step 6: Final answer
    x = 35,406.64

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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.