Home / 35,848.18-49,470.30-19,931.68

Finding the Fourth Proportional to 35,848.18, 49,470.30 and 19,931.68

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Solution

The fourth proportional to 35,848.18, 49,470.30 and 19,931.68 is: 27,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,848.18 : 49,470.30 = 19,931.68 : x
  2. Step 2: Convert to fraction form
    35,848.18/49,470.30 = 19,931.68/x
  3. Step 3: Cross multiply
    35,848.18x = 49,470.30 × 19,931.68
  4. Step 4: Simplify right side
    35,848.18x = 986,026,189.10
  5. Step 5: Solve for x
    x = 986,026,189.10/35,848.18
  6. Step 6: Final answer
    x = 27,505.61

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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.