Home / 56,045.25-77,342.45-30,895.29

Finding the Fourth Proportional to 56,045.25, 77,342.45 and 30,895.29

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Solution

The fourth proportional to 56,045.25, 77,342.45 and 30,895.29 is: 42,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.25 : 77,342.45 = 30,895.29 : x
  2. Step 2: Convert to fraction form
    56,045.25/77,342.45 = 30,895.29/x
  3. Step 3: Cross multiply
    56,045.25x = 77,342.45 × 30,895.29
  4. Step 4: Simplify right side
    56,045.25x = 2,389,517,267.58
  5. Step 5: Solve for x
    x = 2,389,517,267.58/56,045.25
  6. Step 6: Final answer
    x = 42,635.50

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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.