Home / 47,421.36-71,206.02-45,318.06

Finding the Fourth Proportional to 47,421.36, 71,206.02 and 45,318.06

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Solution

The fourth proportional to 47,421.36, 71,206.02 and 45,318.06 is: 68,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.36 : 71,206.02 = 45,318.06 : x
  2. Step 2: Convert to fraction form
    47,421.36/71,206.02 = 45,318.06/x
  3. Step 3: Cross multiply
    47,421.36x = 71,206.02 × 45,318.06
  4. Step 4: Simplify right side
    47,421.36x = 3,226,918,686.72
  5. Step 5: Solve for x
    x = 3,226,918,686.72/47,421.36
  6. Step 6: Final answer
    x = 68,047.79

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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.