Home / 51,031.68-70,426.44-29,809.68

Finding the Fourth Proportional to 51,031.68, 70,426.44 and 29,809.68

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Solution

The fourth proportional to 51,031.68, 70,426.44 and 29,809.68 is: 41,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.68 : 70,426.44 = 29,809.68 : x
  2. Step 2: Convert to fraction form
    51,031.68/70,426.44 = 29,809.68/x
  3. Step 3: Cross multiply
    51,031.68x = 70,426.44 × 29,809.68
  4. Step 4: Simplify right side
    51,031.68x = 2,099,389,639.94
  5. Step 5: Solve for x
    x = 2,099,389,639.94/51,031.68
  6. Step 6: Final answer
    x = 41,138.95

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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.