Home / 51,263.90-70,730.82-30,031.76

Finding the Fourth Proportional to 51,263.90, 70,730.82 and 30,031.76

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Solution

The fourth proportional to 51,263.90, 70,730.82 and 30,031.76 is: 41,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,263.90 : 70,730.82 = 30,031.76 : x
  2. Step 2: Convert to fraction form
    51,263.90/70,730.82 = 30,031.76/x
  3. Step 3: Cross multiply
    51,263.90x = 70,730.82 × 30,031.76
  4. Step 4: Simplify right side
    51,263.90x = 2,124,171,010.84
  5. Step 5: Solve for x
    x = 2,124,171,010.84/51,263.90
  6. Step 6: Final answer
    x = 41,436.00

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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.