Home / 56,132.14-77,461.98-30,981.64

Finding the Fourth Proportional to 56,132.14, 77,461.98 and 30,981.64

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Solution

The fourth proportional to 56,132.14, 77,461.98 and 30,981.64 is: 42,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,132.14 : 77,461.98 = 30,981.64 : x
  2. Step 2: Convert to fraction form
    56,132.14/77,461.98 = 30,981.64/x
  3. Step 3: Cross multiply
    56,132.14x = 77,461.98 × 30,981.64
  4. Step 4: Simplify right side
    56,132.14x = 2,399,899,178.05
  5. Step 5: Solve for x
    x = 2,399,899,178.05/56,132.14
  6. Step 6: Final answer
    x = 42,754.46

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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.