Home / 34,670.40-47,829.95-20,322.96

Finding the Fourth Proportional to 34,670.40, 47,829.95 and 20,322.96

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Solution

The fourth proportional to 34,670.40, 47,829.95 and 20,322.96 is: 28,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.40 : 47,829.95 = 20,322.96 : x
  2. Step 2: Convert to fraction form
    34,670.40/47,829.95 = 20,322.96/x
  3. Step 3: Cross multiply
    34,670.40x = 47,829.95 × 20,322.96
  4. Step 4: Simplify right side
    34,670.40x = 972,046,160.65
  5. Step 5: Solve for x
    x = 972,046,160.65/34,670.40
  6. Step 6: Final answer
    x = 28,036.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.