Home / 56,328.50-77,733.40-35,107.75

Finding the Fourth Proportional to 56,328.50, 77,733.40 and 35,107.75

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Solution

The fourth proportional to 56,328.50, 77,733.40 and 35,107.75 is: 48,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,328.50 : 77,733.40 = 35,107.75 : x
  2. Step 2: Convert to fraction form
    56,328.50/77,733.40 = 35,107.75/x
  3. Step 3: Cross multiply
    56,328.50x = 77,733.40 × 35,107.75
  4. Step 4: Simplify right side
    56,328.50x = 2,729,044,773.85
  5. Step 5: Solve for x
    x = 2,729,044,773.85/56,328.50
  6. Step 6: Final answer
    x = 48,448.74

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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.