Home / 42,477.42-63,714.68-10,887.80

Finding the Fourth Proportional to 42,477.42, 63,714.68 and 10,887.80

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Solution

The fourth proportional to 42,477.42, 63,714.68 and 10,887.80 is: 16,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,477.42 : 63,714.68 = 10,887.80 : x
  2. Step 2: Convert to fraction form
    42,477.42/63,714.68 = 10,887.80/x
  3. Step 3: Cross multiply
    42,477.42x = 63,714.68 × 10,887.80
  4. Step 4: Simplify right side
    42,477.42x = 693,712,692.90
  5. Step 5: Solve for x
    x = 693,712,692.90/42,477.42
  6. Step 6: Final answer
    x = 16,331.33

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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.