Home / 34,798.72-48,045.36-20,656.12

Finding the Fourth Proportional to 34,798.72, 48,045.36 and 20,656.12

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Solution

The fourth proportional to 34,798.72, 48,045.36 and 20,656.12 is: 28,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,798.72 : 48,045.36 = 20,656.12 : x
  2. Step 2: Convert to fraction form
    34,798.72/48,045.36 = 20,656.12/x
  3. Step 3: Cross multiply
    34,798.72x = 48,045.36 × 20,656.12
  4. Step 4: Simplify right side
    34,798.72x = 992,430,721.60
  5. Step 5: Solve for x
    x = 992,430,721.60/34,798.72
  6. Step 6: Final answer
    x = 28,519.17

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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.