Home / 53,881.08-80,821.65-14,437.20

Finding the Fourth Proportional to 53,881.08, 80,821.65 and 14,437.20

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Solution

The fourth proportional to 53,881.08, 80,821.65 and 14,437.20 is: 21,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.08 : 80,821.65 = 14,437.20 : x
  2. Step 2: Convert to fraction form
    53,881.08/80,821.65 = 14,437.20/x
  3. Step 3: Cross multiply
    53,881.08x = 80,821.65 × 14,437.20
  4. Step 4: Simplify right side
    53,881.08x = 1,166,838,325.38
  5. Step 5: Solve for x
    x = 1,166,838,325.38/53,881.08
  6. Step 6: Final answer
    x = 21,655.81

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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.