Home / 65,577.23-90,511.68-38,365.93

Finding the Fourth Proportional to 65,577.23, 90,511.68 and 38,365.93

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Solution

The fourth proportional to 65,577.23, 90,511.68 and 38,365.93 is: 52,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,577.23 : 90,511.68 = 38,365.93 : x
  2. Step 2: Convert to fraction form
    65,577.23/90,511.68 = 38,365.93/x
  3. Step 3: Cross multiply
    65,577.23x = 90,511.68 × 38,365.93
  4. Step 4: Simplify right side
    65,577.23x = 3,472,564,779.06
  5. Step 5: Solve for x
    x = 3,472,564,779.06/65,577.23
  6. Step 6: Final answer
    x = 52,953.82

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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.