Home / 66,670.13-92,004.15-36,455.14

Finding the Fourth Proportional to 66,670.13, 92,004.15 and 36,455.14

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Solution

The fourth proportional to 66,670.13, 92,004.15 and 36,455.14 is: 50,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,670.13 : 92,004.15 = 36,455.14 : x
  2. Step 2: Convert to fraction form
    66,670.13/92,004.15 = 36,455.14/x
  3. Step 3: Cross multiply
    66,670.13x = 92,004.15 × 36,455.14
  4. Step 4: Simplify right side
    66,670.13x = 3,354,024,420.54
  5. Step 5: Solve for x
    x = 3,354,024,420.54/66,670.13
  6. Step 6: Final answer
    x = 50,307.75

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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.