Home / 52,220.34-72,064.22-28,347.12

Finding the Fourth Proportional to 52,220.34, 72,064.22 and 28,347.12

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Solution

The fourth proportional to 52,220.34, 72,064.22 and 28,347.12 is: 39,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.34 : 72,064.22 = 28,347.12 : x
  2. Step 2: Convert to fraction form
    52,220.34/72,064.22 = 28,347.12/x
  3. Step 3: Cross multiply
    52,220.34x = 72,064.22 × 28,347.12
  4. Step 4: Simplify right side
    52,220.34x = 2,042,812,950.31
  5. Step 5: Solve for x
    x = 2,042,812,950.31/52,220.34
  6. Step 6: Final answer
    x = 39,119.10

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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.