Home / 56,990.35-85,510.13-30,689.85

Finding the Fourth Proportional to 56,990.35, 85,510.13 and 30,689.85

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Solution

The fourth proportional to 56,990.35, 85,510.13 and 30,689.85 is: 46,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,990.35 : 85,510.13 = 30,689.85 : x
  2. Step 2: Convert to fraction form
    56,990.35/85,510.13 = 30,689.85/x
  3. Step 3: Cross multiply
    56,990.35x = 85,510.13 × 30,689.85
  4. Step 4: Simplify right side
    56,990.35x = 2,624,293,063.18
  5. Step 5: Solve for x
    x = 2,624,293,063.18/56,990.35
  6. Step 6: Final answer
    x = 46,048.03

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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.