Home / 51,159.23-70,599.54-28,498.49

Finding the Fourth Proportional to 51,159.23, 70,599.54 and 28,498.49

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Solution

The fourth proportional to 51,159.23, 70,599.54 and 28,498.49 is: 39,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.23 : 70,599.54 = 28,498.49 : x
  2. Step 2: Convert to fraction form
    51,159.23/70,599.54 = 28,498.49/x
  3. Step 3: Cross multiply
    51,159.23x = 70,599.54 × 28,498.49
  4. Step 4: Simplify right side
    51,159.23x = 2,011,980,284.69
  5. Step 5: Solve for x
    x = 2,011,980,284.69/51,159.23
  6. Step 6: Final answer
    x = 39,327.81

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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.