Home / 39,973.12-55,162.98-22,068.12

Finding the Fourth Proportional to 39,973.12, 55,162.98 and 22,068.12

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Solution

The fourth proportional to 39,973.12, 55,162.98 and 22,068.12 is: 30,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,973.12 : 55,162.98 = 22,068.12 : x
  2. Step 2: Convert to fraction form
    39,973.12/55,162.98 = 22,068.12/x
  3. Step 3: Cross multiply
    39,973.12x = 55,162.98 × 22,068.12
  4. Step 4: Simplify right side
    39,973.12x = 1,217,343,262.20
  5. Step 5: Solve for x
    x = 1,217,343,262.20/39,973.12
  6. Step 6: Final answer
    x = 30,454.05

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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.