Home / 51,217.80-70,676.13-28,555.02

Finding the Fourth Proportional to 51,217.80, 70,676.13 and 28,555.02

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Solution

The fourth proportional to 51,217.80, 70,676.13 and 28,555.02 is: 39,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.80 : 70,676.13 = 28,555.02 : x
  2. Step 2: Convert to fraction form
    51,217.80/70,676.13 = 28,555.02/x
  3. Step 3: Cross multiply
    51,217.80x = 70,676.13 × 28,555.02
  4. Step 4: Simplify right side
    51,217.80x = 2,018,158,305.67
  5. Step 5: Solve for x
    x = 2,018,158,305.67/51,217.80
  6. Step 6: Final answer
    x = 39,403.46

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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.