Home / 36,445.60-54,668.40-14,259.70

Finding the Fourth Proportional to 36,445.60, 54,668.40 and 14,259.70

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Solution

The fourth proportional to 36,445.60, 54,668.40 and 14,259.70 is: 21,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.60 : 54,668.40 = 14,259.70 : x
  2. Step 2: Convert to fraction form
    36,445.60/54,668.40 = 14,259.70/x
  3. Step 3: Cross multiply
    36,445.60x = 54,668.40 × 14,259.70
  4. Step 4: Simplify right side
    36,445.60x = 779,554,983.48
  5. Step 5: Solve for x
    x = 779,554,983.48/36,445.60
  6. Step 6: Final answer
    x = 21,389.55

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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.