Home / 56,156.61-77,495.52-30,662.90

Finding the Fourth Proportional to 56,156.61, 77,495.52 and 30,662.90

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Solution

The fourth proportional to 56,156.61, 77,495.52 and 30,662.90 is: 42,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.61 : 77,495.52 = 30,662.90 : x
  2. Step 2: Convert to fraction form
    56,156.61/77,495.52 = 30,662.90/x
  3. Step 3: Cross multiply
    56,156.61x = 77,495.52 × 30,662.90
  4. Step 4: Simplify right side
    56,156.61x = 2,376,236,992.73
  5. Step 5: Solve for x
    x = 2,376,236,992.73/56,156.61
  6. Step 6: Final answer
    x = 42,314.47

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1.5x scale

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.