Home / 30,956.09-46,434.13-12,475.13

Finding the Fourth Proportional to 30,956.09, 46,434.13 and 12,475.13

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Solution

The fourth proportional to 30,956.09, 46,434.13 and 12,475.13 is: 18,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.09 : 46,434.13 = 12,475.13 : x
  2. Step 2: Convert to fraction form
    30,956.09/46,434.13 = 12,475.13/x
  3. Step 3: Cross multiply
    30,956.09x = 46,434.13 × 12,475.13
  4. Step 4: Simplify right side
    30,956.09x = 579,271,544.83
  5. Step 5: Solve for x
    x = 579,271,544.83/30,956.09
  6. Step 6: Final answer
    x = 18,712.69

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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.