Home / 53,013.30-73,162.50-30,359.40

Finding the Fourth Proportional to 53,013.30, 73,162.50 and 30,359.40

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Solution

The fourth proportional to 53,013.30, 73,162.50 and 30,359.40 is: 41,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.30 : 73,162.50 = 30,359.40 : x
  2. Step 2: Convert to fraction form
    53,013.30/73,162.50 = 30,359.40/x
  3. Step 3: Cross multiply
    53,013.30x = 73,162.50 × 30,359.40
  4. Step 4: Simplify right side
    53,013.30x = 2,221,169,602.50
  5. Step 5: Solve for x
    x = 2,221,169,602.50/53,013.30
  6. Step 6: Final answer
    x = 41,898.35

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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.