Home / 46,268.28-69,417-19,985.40

Finding the Fourth Proportional to 46,268.28, 69,417 and 19,985.40

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Solution

The fourth proportional to 46,268.28, 69,417 and 19,985.40 is: 29,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,268.28 : 69,417 = 19,985.40 : x
  2. Step 2: Convert to fraction form
    46,268.28/69,417 = 19,985.40/x
  3. Step 3: Cross multiply
    46,268.28x = 69,417 × 19,985.40
  4. Step 4: Simplify right side
    46,268.28x = 1,387,326,511.80
  5. Step 5: Solve for x
    x = 1,387,326,511.80/46,268.28
  6. Step 6: Final answer
    x = 29,984.40

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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.