Home / 56,920.50-78,555.86-33,045.75

Finding the Fourth Proportional to 56,920.50, 78,555.86 and 33,045.75

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Solution

The fourth proportional to 56,920.50, 78,555.86 and 33,045.75 is: 45,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.50 : 78,555.86 = 33,045.75 : x
  2. Step 2: Convert to fraction form
    56,920.50/78,555.86 = 33,045.75/x
  3. Step 3: Cross multiply
    56,920.50x = 78,555.86 × 33,045.75
  4. Step 4: Simplify right side
    56,920.50x = 2,595,937,310.60
  5. Step 5: Solve for x
    x = 2,595,937,310.60/56,920.50
  6. Step 6: Final answer
    x = 45,606.37

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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.