Home / 42,955.26-64,438.96-13,376.08

Finding the Fourth Proportional to 42,955.26, 64,438.96 and 13,376.08

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Solution

The fourth proportional to 42,955.26, 64,438.96 and 13,376.08 is: 20,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,955.26 : 64,438.96 = 13,376.08 : x
  2. Step 2: Convert to fraction form
    42,955.26/64,438.96 = 13,376.08/x
  3. Step 3: Cross multiply
    42,955.26x = 64,438.96 × 13,376.08
  4. Step 4: Simplify right side
    42,955.26x = 861,940,684.08
  5. Step 5: Solve for x
    x = 861,940,684.08/42,955.26
  6. Step 6: Final answer
    x = 20,066.01

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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.