Home / 46,269.28-69,418.50-19,986.40

Finding the Fourth Proportional to 46,269.28, 69,418.50 and 19,986.40

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Solution

The fourth proportional to 46,269.28, 69,418.50 and 19,986.40 is: 29,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,269.28 : 69,418.50 = 19,986.40 : x
  2. Step 2: Convert to fraction form
    46,269.28/69,418.50 = 19,986.40/x
  3. Step 3: Cross multiply
    46,269.28x = 69,418.50 × 19,986.40
  4. Step 4: Simplify right side
    46,269.28x = 1,387,425,908.40
  5. Step 5: Solve for x
    x = 1,387,425,908.40/46,269.28
  6. Step 6: Final answer
    x = 29,985.90

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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.