Home / 53,690.95-80,503.34-18,148.91

Finding the Fourth Proportional to 53,690.95, 80,503.34 and 18,148.91

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Solution

The fourth proportional to 53,690.95, 80,503.34 and 18,148.91 is: 27,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.95 : 80,503.34 = 18,148.91 : x
  2. Step 2: Convert to fraction form
    53,690.95/80,503.34 = 18,148.91/x
  3. Step 3: Cross multiply
    53,690.95x = 80,503.34 × 18,148.91
  4. Step 4: Simplify right side
    53,690.95x = 1,461,047,872.36
  5. Step 5: Solve for x
    x = 1,461,047,872.36/53,690.95
  6. Step 6: Final answer
    x = 27,212.18

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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.