Home / 38,313.51-57,420.30-19,577.76

Finding the Fourth Proportional to 38,313.51, 57,420.30 and 19,577.76

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Solution

The fourth proportional to 38,313.51, 57,420.30 and 19,577.76 is: 29,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.51 : 57,420.30 = 19,577.76 : x
  2. Step 2: Convert to fraction form
    38,313.51/57,420.30 = 19,577.76/x
  3. Step 3: Cross multiply
    38,313.51x = 57,420.30 × 19,577.76
  4. Step 4: Simplify right side
    38,313.51x = 1,124,160,852.53
  5. Step 5: Solve for x
    x = 1,124,160,852.53/38,313.51
  6. Step 6: Final answer
    x = 29,341.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.