Home / 56,938.59-85,459.70-30,306.93

Finding the Fourth Proportional to 56,938.59, 85,459.70 and 30,306.93

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Solution

The fourth proportional to 56,938.59, 85,459.70 and 30,306.93 is: 45,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.59 : 85,459.70 = 30,306.93 : x
  2. Step 2: Convert to fraction form
    56,938.59/85,459.70 = 30,306.93/x
  3. Step 3: Cross multiply
    56,938.59x = 85,459.70 × 30,306.93
  4. Step 4: Simplify right side
    56,938.59x = 2,590,021,145.72
  5. Step 5: Solve for x
    x = 2,590,021,145.72/56,938.59
  6. Step 6: Final answer
    x = 45,487.97

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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.