Home / 51,366.56-70,888.65-28,705.59

Finding the Fourth Proportional to 51,366.56, 70,888.65 and 28,705.59

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Solution

The fourth proportional to 51,366.56, 70,888.65 and 28,705.59 is: 39,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.56 : 70,888.65 = 28,705.59 : x
  2. Step 2: Convert to fraction form
    51,366.56/70,888.65 = 28,705.59/x
  3. Step 3: Cross multiply
    51,366.56x = 70,888.65 × 28,705.59
  4. Step 4: Simplify right side
    51,366.56x = 2,034,900,655.47
  5. Step 5: Solve for x
    x = 2,034,900,655.47/51,366.56
  6. Step 6: Final answer
    x = 39,615.28

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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.