Home / 38,848.34-58,264.08-13,890.12

Finding the Fourth Proportional to 38,848.34, 58,264.08 and 13,890.12

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Solution

The fourth proportional to 38,848.34, 58,264.08 and 13,890.12 is: 20,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848.34 : 58,264.08 = 13,890.12 : x
  2. Step 2: Convert to fraction form
    38,848.34/58,264.08 = 13,890.12/x
  3. Step 3: Cross multiply
    38,848.34x = 58,264.08 × 13,890.12
  4. Step 4: Simplify right side
    38,848.34x = 809,295,062.89
  5. Step 5: Solve for x
    x = 809,295,062.89/38,848.34
  6. Step 6: Final answer
    x = 20,832.17

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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.