Home / 30,877.63-42,579.90-27,463.86

Finding the Fourth Proportional to 30,877.63, 42,579.90 and 27,463.86

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Solution

The fourth proportional to 30,877.63, 42,579.90 and 27,463.86 is: 37,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.63 : 42,579.90 = 27,463.86 : x
  2. Step 2: Convert to fraction form
    30,877.63/42,579.90 = 27,463.86/x
  3. Step 3: Cross multiply
    30,877.63x = 42,579.90 × 27,463.86
  4. Step 4: Simplify right side
    30,877.63x = 1,169,408,412.41
  5. Step 5: Solve for x
    x = 1,169,408,412.41/30,877.63
  6. Step 6: Final answer
    x = 37,872.35

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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.