Home / 39,598.30-59,384.76-20,867.86

Finding the Fourth Proportional to 39,598.30, 59,384.76 and 20,867.86

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Solution

The fourth proportional to 39,598.30, 59,384.76 and 20,867.86 is: 31,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.30 : 59,384.76 = 20,867.86 : x
  2. Step 2: Convert to fraction form
    39,598.30/59,384.76 = 20,867.86/x
  3. Step 3: Cross multiply
    39,598.30x = 59,384.76 × 20,867.86
  4. Step 4: Simplify right side
    39,598.30x = 1,239,232,857.81
  5. Step 5: Solve for x
    x = 1,239,232,857.81/39,598.30
  6. Step 6: Final answer
    x = 31,295.10

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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.