Home / 66,720.95-92,052.55-38,426.03

Finding the Fourth Proportional to 66,720.95, 92,052.55 and 38,426.03

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Solution

The fourth proportional to 66,720.95, 92,052.55 and 38,426.03 is: 53,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720.95 : 92,052.55 = 38,426.03 : x
  2. Step 2: Convert to fraction form
    66,720.95/92,052.55 = 38,426.03/x
  3. Step 3: Cross multiply
    66,720.95x = 92,052.55 × 38,426.03
  4. Step 4: Simplify right side
    66,720.95x = 3,537,214,047.88
  5. Step 5: Solve for x
    x = 3,537,214,047.88/66,720.95
  6. Step 6: Final answer
    x = 53,015.04

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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.