Home / 30,686.23-46,029.43-9,909.73

Finding the Fourth Proportional to 30,686.23, 46,029.43 and 9,909.73

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Solution

The fourth proportional to 30,686.23, 46,029.43 and 9,909.73 is: 14,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,686.23 : 46,029.43 = 9,909.73 : x
  2. Step 2: Convert to fraction form
    30,686.23/46,029.43 = 9,909.73/x
  3. Step 3: Cross multiply
    30,686.23x = 46,029.43 × 9,909.73
  4. Step 4: Simplify right side
    30,686.23x = 456,139,223.35
  5. Step 5: Solve for x
    x = 456,139,223.35/30,686.23
  6. Step 6: Final answer
    x = 14,864.62

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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.