Home / 45,345.45-62,548.48-31,173.69

Finding the Fourth Proportional to 45,345.45, 62,548.48 and 31,173.69

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Solution

The fourth proportional to 45,345.45, 62,548.48 and 31,173.69 is: 43,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.45 : 62,548.48 = 31,173.69 : x
  2. Step 2: Convert to fraction form
    45,345.45/62,548.48 = 31,173.69/x
  3. Step 3: Cross multiply
    45,345.45x = 62,548.48 × 31,173.69
  4. Step 4: Simplify right side
    45,345.45x = 1,949,866,925.49
  5. Step 5: Solve for x
    x = 1,949,866,925.49/45,345.45
  6. Step 6: Final answer
    x = 43,000.28

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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.