Home / 66,285.02-91,473.36-37,990.74

Finding the Fourth Proportional to 66,285.02, 91,473.36 and 37,990.74

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Solution

The fourth proportional to 66,285.02, 91,473.36 and 37,990.74 is: 52,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.02 : 91,473.36 = 37,990.74 : x
  2. Step 2: Convert to fraction form
    66,285.02/91,473.36 = 37,990.74/x
  3. Step 3: Cross multiply
    66,285.02x = 91,473.36 × 37,990.74
  4. Step 4: Simplify right side
    66,285.02x = 3,475,140,636.69
  5. Step 5: Solve for x
    x = 3,475,140,636.69/66,285.02
  6. Step 6: Final answer
    x = 52,427.24

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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.