Home / 30,849.40-46,269.15-11,117.80

Finding the Fourth Proportional to 30,849.40, 46,269.15 and 11,117.80

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Solution

The fourth proportional to 30,849.40, 46,269.15 and 11,117.80 is: 16,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.40 : 46,269.15 = 11,117.80 : x
  2. Step 2: Convert to fraction form
    30,849.40/46,269.15 = 11,117.80/x
  3. Step 3: Cross multiply
    30,849.40x = 46,269.15 × 11,117.80
  4. Step 4: Simplify right side
    30,849.40x = 514,411,155.87
  5. Step 5: Solve for x
    x = 514,411,155.87/30,849.40
  6. Step 6: Final answer
    x = 16,674.92

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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.