Home / 38,070.48-57,115.40-14,690.64

Finding the Fourth Proportional to 38,070.48, 57,115.40 and 14,690.64

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Solution

The fourth proportional to 38,070.48, 57,115.40 and 14,690.64 is: 22,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.48 : 57,115.40 = 14,690.64 : x
  2. Step 2: Convert to fraction form
    38,070.48/57,115.40 = 14,690.64/x
  3. Step 3: Cross multiply
    38,070.48x = 57,115.40 × 14,690.64
  4. Step 4: Simplify right side
    38,070.48x = 839,061,779.86
  5. Step 5: Solve for x
    x = 839,061,779.86/38,070.48
  6. Step 6: Final answer
    x = 22,039.70

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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.