Home / 56,211.61-77,536.35-42,753.36

Finding the Fourth Proportional to 56,211.61, 77,536.35 and 42,753.36

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Solution

The fourth proportional to 56,211.61, 77,536.35 and 42,753.36 is: 58,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,211.61 : 77,536.35 = 42,753.36 : x
  2. Step 2: Convert to fraction form
    56,211.61/77,536.35 = 42,753.36/x
  3. Step 3: Cross multiply
    56,211.61x = 77,536.35 × 42,753.36
  4. Step 4: Simplify right side
    56,211.61x = 3,314,939,270.87
  5. Step 5: Solve for x
    x = 3,314,939,270.87/56,211.61
  6. Step 6: Final answer
    x = 58,972.50

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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.