Home / 45,421.80-62,681.60-25,278.32

Finding the Fourth Proportional to 45,421.80, 62,681.60 and 25,278.32

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Solution

The fourth proportional to 45,421.80, 62,681.60 and 25,278.32 is: 34,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.80 : 62,681.60 = 25,278.32 : x
  2. Step 2: Convert to fraction form
    45,421.80/62,681.60 = 25,278.32/x
  3. Step 3: Cross multiply
    45,421.80x = 62,681.60 × 25,278.32
  4. Step 4: Simplify right side
    45,421.80x = 1,584,485,542.91
  5. Step 5: Solve for x
    x = 1,584,485,542.91/45,421.80
  6. Step 6: Final answer
    x = 34,883.81

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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.