Home / 47,070.24-70,549.68-20,719.92

Finding the Fourth Proportional to 47,070.24, 70,549.68 and 20,719.92

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Solution

The fourth proportional to 47,070.24, 70,549.68 and 20,719.92 is: 31,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070.24 : 70,549.68 = 20,719.92 : x
  2. Step 2: Convert to fraction form
    47,070.24/70,549.68 = 20,719.92/x
  3. Step 3: Cross multiply
    47,070.24x = 70,549.68 × 20,719.92
  4. Step 4: Simplify right side
    47,070.24x = 1,461,783,725.63
  5. Step 5: Solve for x
    x = 1,461,783,725.63/47,070.24
  6. Step 6: Final answer
    x = 31,055.37

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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.