Home / 38,848.55-58,264.35-13,890.32

Finding the Fourth Proportional to 38,848.55, 58,264.35 and 13,890.32

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Solution

The fourth proportional to 38,848.55, 58,264.35 and 13,890.32 is: 20,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848.55 : 58,264.35 = 13,890.32 : x
  2. Step 2: Convert to fraction form
    38,848.55/58,264.35 = 13,890.32/x
  3. Step 3: Cross multiply
    38,848.55x = 58,264.35 × 13,890.32
  4. Step 4: Simplify right side
    38,848.55x = 809,310,341.17
  5. Step 5: Solve for x
    x = 809,310,341.17/38,848.55
  6. Step 6: Final answer
    x = 20,832.45

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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.