Home / 54,866.08-75,715.12-29,715.68

Finding the Fourth Proportional to 54,866.08, 75,715.12 and 29,715.68

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Solution

The fourth proportional to 54,866.08, 75,715.12 and 29,715.68 is: 41,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.08 : 75,715.12 = 29,715.68 : x
  2. Step 2: Convert to fraction form
    54,866.08/75,715.12 = 29,715.68/x
  3. Step 3: Cross multiply
    54,866.08x = 75,715.12 × 29,715.68
  4. Step 4: Simplify right side
    54,866.08x = 2,249,926,277.08
  5. Step 5: Solve for x
    x = 2,249,926,277.08/54,866.08
  6. Step 6: Final answer
    x = 41,007.60

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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.