Home / 56,423.68-77,860.48-30,925.96

Finding the Fourth Proportional to 56,423.68, 77,860.48 and 30,925.96

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Solution

The fourth proportional to 56,423.68, 77,860.48 and 30,925.96 is: 42,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.68 : 77,860.48 = 30,925.96 : x
  2. Step 2: Convert to fraction form
    56,423.68/77,860.48 = 30,925.96/x
  3. Step 3: Cross multiply
    56,423.68x = 77,860.48 × 30,925.96
  4. Step 4: Simplify right side
    56,423.68x = 2,407,910,090.06
  5. Step 5: Solve for x
    x = 2,407,910,090.06/56,423.68
  6. Step 6: Final answer
    x = 42,675.52

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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.