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Finding the Fourth Proportional to 56,555.39, 84,819.07 and 19,114.63

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Solution

The fourth proportional to 56,555.39, 84,819.07 and 19,114.63 is: 28,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,555.39 : 84,819.07 = 19,114.63 : x
  2. Step 2: Convert to fraction form
    56,555.39/84,819.07 = 19,114.63/x
  3. Step 3: Cross multiply
    56,555.39x = 84,819.07 × 19,114.63
  4. Step 4: Simplify right side
    56,555.39x = 1,621,285,482.71
  5. Step 5: Solve for x
    x = 1,621,285,482.71/56,555.39
  6. Step 6: Final answer
    x = 28,667.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.