Home / 35,321.05-52,948.63-11,931.13

Finding the Fourth Proportional to 35,321.05, 52,948.63 and 11,931.13

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Solution

The fourth proportional to 35,321.05, 52,948.63 and 11,931.13 is: 17,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.05 : 52,948.63 = 11,931.13 : x
  2. Step 2: Convert to fraction form
    35,321.05/52,948.63 = 11,931.13/x
  3. Step 3: Cross multiply
    35,321.05x = 52,948.63 × 11,931.13
  4. Step 4: Simplify right side
    35,321.05x = 631,736,987.85
  5. Step 5: Solve for x
    x = 631,736,987.85/35,321.05
  6. Step 6: Final answer
    x = 17,885.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.