Home / 66,011.76-91,091.52-37,331.28

Finding the Fourth Proportional to 66,011.76, 91,091.52 and 37,331.28

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Solution

The fourth proportional to 66,011.76, 91,091.52 and 37,331.28 is: 51,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.76 : 91,091.52 = 37,331.28 : x
  2. Step 2: Convert to fraction form
    66,011.76/91,091.52 = 37,331.28/x
  3. Step 3: Cross multiply
    66,011.76x = 91,091.52 × 37,331.28
  4. Step 4: Simplify right side
    66,011.76x = 3,400,563,038.75
  5. Step 5: Solve for x
    x = 3,400,563,038.75/66,011.76
  6. Step 6: Final answer
    x = 51,514.50

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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.