Home / 30,852.70-42,591.51-19,527.68

Finding the Fourth Proportional to 30,852.70, 42,591.51 and 19,527.68

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Solution

The fourth proportional to 30,852.70, 42,591.51 and 19,527.68 is: 26,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.70 : 42,591.51 = 19,527.68 : x
  2. Step 2: Convert to fraction form
    30,852.70/42,591.51 = 19,527.68/x
  3. Step 3: Cross multiply
    30,852.70x = 42,591.51 × 19,527.68
  4. Step 4: Simplify right side
    30,852.70x = 831,713,484.48
  5. Step 5: Solve for x
    x = 831,713,484.48/30,852.70
  6. Step 6: Final answer
    x = 26,957.56

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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.