Home / 66,909.56-92,328.54-38,624.36

Finding the Fourth Proportional to 66,909.56, 92,328.54 and 38,624.36

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Solution

The fourth proportional to 66,909.56, 92,328.54 and 38,624.36 is: 53,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.56 : 92,328.54 = 38,624.36 : x
  2. Step 2: Convert to fraction form
    66,909.56/92,328.54 = 38,624.36/x
  3. Step 3: Cross multiply
    66,909.56x = 92,328.54 × 38,624.36
  4. Step 4: Simplify right side
    66,909.56x = 3,566,130,767.23
  5. Step 5: Solve for x
    x = 3,566,130,767.23/66,909.56
  6. Step 6: Final answer
    x = 53,297.78

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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.