Home / 36,612.60-54,983.70-28,312.80

Finding the Fourth Proportional to 36,612.60, 54,983.70 and 28,312.80

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Solution

The fourth proportional to 36,612.60, 54,983.70 and 28,312.80 is: 42,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612.60 : 54,983.70 = 28,312.80 : x
  2. Step 2: Convert to fraction form
    36,612.60/54,983.70 = 28,312.80/x
  3. Step 3: Cross multiply
    36,612.60x = 54,983.70 × 28,312.80
  4. Step 4: Simplify right side
    36,612.60x = 1,556,742,501.36
  5. Step 5: Solve for x
    x = 1,556,742,501.36/36,612.60
  6. Step 6: Final answer
    x = 42,519.31

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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.