Home / 56,243.26-77,614.23-30,748.87

Finding the Fourth Proportional to 56,243.26, 77,614.23 and 30,748.87

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Solution

The fourth proportional to 56,243.26, 77,614.23 and 30,748.87 is: 42,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243.26 : 77,614.23 = 30,748.87 : x
  2. Step 2: Convert to fraction form
    56,243.26/77,614.23 = 30,748.87/x
  3. Step 3: Cross multiply
    56,243.26x = 77,614.23 × 30,748.87
  4. Step 4: Simplify right side
    56,243.26x = 2,386,549,868.42
  5. Step 5: Solve for x
    x = 2,386,549,868.42/56,243.26
  6. Step 6: Final answer
    x = 42,432.64

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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.