Home / 66,312.02-91,512.79-37,245.50

Finding the Fourth Proportional to 66,312.02, 91,512.79 and 37,245.50

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Solution

The fourth proportional to 66,312.02, 91,512.79 and 37,245.50 is: 51,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312.02 : 91,512.79 = 37,245.50 : x
  2. Step 2: Convert to fraction form
    66,312.02/91,512.79 = 37,245.50/x
  3. Step 3: Cross multiply
    66,312.02x = 91,512.79 × 37,245.50
  4. Step 4: Simplify right side
    66,312.02x = 3,408,439,619.95
  5. Step 5: Solve for x
    x = 3,408,439,619.95/66,312.02
  6. Step 6: Final answer
    x = 51,400.03

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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.