Home / 51,281.06-70,767.93-28,620.05

Finding the Fourth Proportional to 51,281.06, 70,767.93 and 28,620.05

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Solution

The fourth proportional to 51,281.06, 70,767.93 and 28,620.05 is: 39,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.06 : 70,767.93 = 28,620.05 : x
  2. Step 2: Convert to fraction form
    51,281.06/70,767.93 = 28,620.05/x
  3. Step 3: Cross multiply
    51,281.06x = 70,767.93 × 28,620.05
  4. Step 4: Simplify right side
    51,281.06x = 2,025,381,374.98
  5. Step 5: Solve for x
    x = 2,025,381,374.98/51,281.06
  6. Step 6: Final answer
    x = 39,495.70

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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.