Home / 53,366.72-80,063.91-28,386.20

Finding the Fourth Proportional to 53,366.72, 80,063.91 and 28,386.20

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Solution

The fourth proportional to 53,366.72, 80,063.91 and 28,386.20 is: 42,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,366.72 : 80,063.91 = 28,386.20 : x
  2. Step 2: Convert to fraction form
    53,366.72/80,063.91 = 28,386.20/x
  3. Step 3: Cross multiply
    53,366.72x = 80,063.91 × 28,386.20
  4. Step 4: Simplify right side
    53,366.72x = 2,272,710,362.20
  5. Step 5: Solve for x
    x = 2,272,710,362.20/53,366.72
  6. Step 6: Final answer
    x = 42,586.66

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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.