Home / 52,051.36-71,830.90-28,178.03

Finding the Fourth Proportional to 52,051.36, 71,830.90 and 28,178.03

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Solution

The fourth proportional to 52,051.36, 71,830.90 and 28,178.03 is: 38,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.36 : 71,830.90 = 28,178.03 : x
  2. Step 2: Convert to fraction form
    52,051.36/71,830.90 = 28,178.03/x
  3. Step 3: Cross multiply
    52,051.36x = 71,830.90 × 28,178.03
  4. Step 4: Simplify right side
    52,051.36x = 2,024,053,184.68
  5. Step 5: Solve for x
    x = 2,024,053,184.68/52,051.36
  6. Step 6: Final answer
    x = 38,885.69

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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.