Home / 47,386.81-71,056.45-15,785.77

Finding the Fourth Proportional to 47,386.81, 71,056.45 and 15,785.77

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Solution

The fourth proportional to 47,386.81, 71,056.45 and 15,785.77 is: 23,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,386.81 : 71,056.45 = 15,785.77 : x
  2. Step 2: Convert to fraction form
    47,386.81/71,056.45 = 15,785.77/x
  3. Step 3: Cross multiply
    47,386.81x = 71,056.45 × 15,785.77
  4. Step 4: Simplify right side
    47,386.81x = 1,121,680,776.72
  5. Step 5: Solve for x
    x = 1,121,680,776.72/47,386.81
  6. Step 6: Final answer
    x = 23,670.74

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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.