Home / 38,969.15-58,445.28-12,317.27

Finding the Fourth Proportional to 38,969.15, 58,445.28 and 12,317.27

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Solution

The fourth proportional to 38,969.15, 58,445.28 and 12,317.27 is: 18,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.15 : 58,445.28 = 12,317.27 : x
  2. Step 2: Convert to fraction form
    38,969.15/58,445.28 = 12,317.27/x
  3. Step 3: Cross multiply
    38,969.15x = 58,445.28 × 12,317.27
  4. Step 4: Simplify right side
    38,969.15x = 719,886,001.76
  5. Step 5: Solve for x
    x = 719,886,001.76/38,969.15
  6. Step 6: Final answer
    x = 18,473.23

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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.