Home / 38,330.72-57,505.32-12,035.45

Finding the Fourth Proportional to 38,330.72, 57,505.32 and 12,035.45

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Solution

The fourth proportional to 38,330.72, 57,505.32 and 12,035.45 is: 18,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.72 : 57,505.32 = 12,035.45 : x
  2. Step 2: Convert to fraction form
    38,330.72/57,505.32 = 12,035.45/x
  3. Step 3: Cross multiply
    38,330.72x = 57,505.32 × 12,035.45
  4. Step 4: Simplify right side
    38,330.72x = 692,102,547.36
  5. Step 5: Solve for x
    x = 692,102,547.36/38,330.72
  6. Step 6: Final answer
    x = 18,056.08

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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.