Home / 43,427.15-65,154.56-19,407.74

Finding the Fourth Proportional to 43,427.15, 65,154.56 and 19,407.74

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Solution

The fourth proportional to 43,427.15, 65,154.56 and 19,407.74 is: 29,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.15 : 65,154.56 = 19,407.74 : x
  2. Step 2: Convert to fraction form
    43,427.15/65,154.56 = 19,407.74/x
  3. Step 3: Cross multiply
    43,427.15x = 65,154.56 × 19,407.74
  4. Step 4: Simplify right side
    43,427.15x = 1,264,502,337.48
  5. Step 5: Solve for x
    x = 1,264,502,337.48/43,427.15
  6. Step 6: Final answer
    x = 29,117.79

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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.