Home / 35,011.71-48,323.66-20,666.21

Finding the Fourth Proportional to 35,011.71, 48,323.66 and 20,666.21

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Solution

The fourth proportional to 35,011.71, 48,323.66 and 20,666.21 is: 28,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,011.71 : 48,323.66 = 20,666.21 : x
  2. Step 2: Convert to fraction form
    35,011.71/48,323.66 = 20,666.21/x
  3. Step 3: Cross multiply
    35,011.71x = 48,323.66 × 20,666.21
  4. Step 4: Simplify right side
    35,011.71x = 998,666,560.58
  5. Step 5: Solve for x
    x = 998,666,560.58/35,011.71
  6. Step 6: Final answer
    x = 28,523.79

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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.