Home / 66,463.68-91,716.24-37,779.36

Finding the Fourth Proportional to 66,463.68, 91,716.24 and 37,779.36

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Solution

The fourth proportional to 66,463.68, 91,716.24 and 37,779.36 is: 52,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.68 : 91,716.24 = 37,779.36 : x
  2. Step 2: Convert to fraction form
    66,463.68/91,716.24 = 37,779.36/x
  3. Step 3: Cross multiply
    66,463.68x = 91,716.24 × 37,779.36
  4. Step 4: Simplify right side
    66,463.68x = 3,464,980,848.81
  5. Step 5: Solve for x
    x = 3,464,980,848.81/66,463.68
  6. Step 6: Final answer
    x = 52,133.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.