Home / 56,069.04-77,374.80-30,918

Finding the Fourth Proportional to 56,069.04, 77,374.80 and 30,918

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Solution

The fourth proportional to 56,069.04, 77,374.80 and 30,918 is: 42,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.04 : 77,374.80 = 30,918 : x
  2. Step 2: Convert to fraction form
    56,069.04/77,374.80 = 30,918/x
  3. Step 3: Cross multiply
    56,069.04x = 77,374.80 × 30,918
  4. Step 4: Simplify right side
    56,069.04x = 2,392,274,066.40
  5. Step 5: Solve for x
    x = 2,392,274,066.40/56,069.04
  6. Step 6: Final answer
    x = 42,666.58

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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.