Home / 36,154.15-54,223.02-12,780.59

Finding the Fourth Proportional to 36,154.15, 54,223.02 and 12,780.59

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Solution

The fourth proportional to 36,154.15, 54,223.02 and 12,780.59 is: 19,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.15 : 54,223.02 = 12,780.59 : x
  2. Step 2: Convert to fraction form
    36,154.15/54,223.02 = 12,780.59/x
  3. Step 3: Cross multiply
    36,154.15x = 54,223.02 × 12,780.59
  4. Step 4: Simplify right side
    36,154.15x = 693,001,916.07
  5. Step 5: Solve for x
    x = 693,001,916.07/36,154.15
  6. Step 6: Final answer
    x = 19,167.98

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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.