Home / 67,130.53-92,642.51-36,918.15

Finding the Fourth Proportional to 67,130.53, 92,642.51 and 36,918.15

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Solution

The fourth proportional to 67,130.53, 92,642.51 and 36,918.15 is: 50,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.53 : 92,642.51 = 36,918.15 : x
  2. Step 2: Convert to fraction form
    67,130.53/92,642.51 = 36,918.15/x
  3. Step 3: Cross multiply
    67,130.53x = 92,642.51 × 36,918.15
  4. Step 4: Simplify right side
    67,130.53x = 3,420,190,080.56
  5. Step 5: Solve for x
    x = 3,420,190,080.56/67,130.53
  6. Step 6: Final answer
    x = 50,948.36

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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.