Home / 66,726.94-92,116.50-38,427.16

Finding the Fourth Proportional to 66,726.94, 92,116.50 and 38,427.16

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Solution

The fourth proportional to 66,726.94, 92,116.50 and 38,427.16 is: 53,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.94 : 92,116.50 = 38,427.16 : x
  2. Step 2: Convert to fraction form
    66,726.94/92,116.50 = 38,427.16/x
  3. Step 3: Cross multiply
    66,726.94x = 92,116.50 × 38,427.16
  4. Step 4: Simplify right side
    66,726.94x = 3,539,775,484.14
  5. Step 5: Solve for x
    x = 3,539,775,484.14/66,726.94
  6. Step 6: Final answer
    x = 53,048.67

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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.