Home / 30,482.91-45,732.58-12,707.66

Finding the Fourth Proportional to 30,482.91, 45,732.58 and 12,707.66

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Solution

The fourth proportional to 30,482.91, 45,732.58 and 12,707.66 is: 19,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.91 : 45,732.58 = 12,707.66 : x
  2. Step 2: Convert to fraction form
    30,482.91/45,732.58 = 12,707.66/x
  3. Step 3: Cross multiply
    30,482.91x = 45,732.58 × 12,707.66
  4. Step 4: Simplify right side
    30,482.91x = 581,154,077.56
  5. Step 5: Solve for x
    x = 581,154,077.56/30,482.91
  6. Step 6: Final answer
    x = 19,064.91

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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.