Home / 30,852.06-42,573.51-17,421.45

Finding the Fourth Proportional to 30,852.06, 42,573.51 and 17,421.45

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Solution

The fourth proportional to 30,852.06, 42,573.51 and 17,421.45 is: 24,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.06 : 42,573.51 = 17,421.45 : x
  2. Step 2: Convert to fraction form
    30,852.06/42,573.51 = 17,421.45/x
  3. Step 3: Cross multiply
    30,852.06x = 42,573.51 × 17,421.45
  4. Step 4: Simplify right side
    30,852.06x = 741,692,275.79
  5. Step 5: Solve for x
    x = 741,692,275.79/30,852.06
  6. Step 6: Final answer
    x = 24,040.28

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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.