Home / 51,159.88-70,598.73-28,498.33

Finding the Fourth Proportional to 51,159.88, 70,598.73 and 28,498.33

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Solution

The fourth proportional to 51,159.88, 70,598.73 and 28,498.33 is: 39,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.88 : 70,598.73 = 28,498.33 : x
  2. Step 2: Convert to fraction form
    51,159.88/70,598.73 = 28,498.33/x
  3. Step 3: Cross multiply
    51,159.88x = 70,598.73 × 28,498.33
  4. Step 4: Simplify right side
    51,159.88x = 2,011,945,905.12
  5. Step 5: Solve for x
    x = 2,011,945,905.12/51,159.88
  6. Step 6: Final answer
    x = 39,326.63

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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.