Home / 52,294.36-72,166.22-28,421.09

Finding the Fourth Proportional to 52,294.36, 72,166.22 and 28,421.09

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Solution

The fourth proportional to 52,294.36, 72,166.22 and 28,421.09 is: 39,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.36 : 72,166.22 = 28,421.09 : x
  2. Step 2: Convert to fraction form
    52,294.36/72,166.22 = 28,421.09/x
  3. Step 3: Cross multiply
    52,294.36x = 72,166.22 × 28,421.09
  4. Step 4: Simplify right side
    52,294.36x = 2,051,042,529.40
  5. Step 5: Solve for x
    x = 2,051,042,529.40/52,294.36
  6. Step 6: Final answer
    x = 39,221.10

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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.