Home / 51,312.88-70,823.58-30,098.98

Finding the Fourth Proportional to 51,312.88, 70,823.58 and 30,098.98

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Solution

The fourth proportional to 51,312.88, 70,823.58 and 30,098.98 is: 41,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312.88 : 70,823.58 = 30,098.98 : x
  2. Step 2: Convert to fraction form
    51,312.88/70,823.58 = 30,098.98/x
  3. Step 3: Cross multiply
    51,312.88x = 70,823.58 × 30,098.98
  4. Step 4: Simplify right side
    51,312.88x = 2,131,717,517.95
  5. Step 5: Solve for x
    x = 2,131,717,517.95/51,312.88
  6. Step 6: Final answer
    x = 41,543.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.