Home / 34,820.69-48,035.63-20,663.51

Finding the Fourth Proportional to 34,820.69, 48,035.63 and 20,663.51

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Solution

The fourth proportional to 34,820.69, 48,035.63 and 20,663.51 is: 28,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,820.69 : 48,035.63 = 20,663.51 : x
  2. Step 2: Convert to fraction form
    34,820.69/48,035.63 = 20,663.51/x
  3. Step 3: Cross multiply
    34,820.69x = 48,035.63 × 20,663.51
  4. Step 4: Simplify right side
    34,820.69x = 992,584,532.34
  5. Step 5: Solve for x
    x = 992,584,532.34/34,820.69
  6. Step 6: Final answer
    x = 28,505.60

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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.