Home / 35,123.67-52,680.31-12,931.89

Finding the Fourth Proportional to 35,123.67, 52,680.31 and 12,931.89

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Solution

The fourth proportional to 35,123.67, 52,680.31 and 12,931.89 is: 19,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.67 : 52,680.31 = 12,931.89 : x
  2. Step 2: Convert to fraction form
    35,123.67/52,680.31 = 12,931.89/x
  3. Step 3: Cross multiply
    35,123.67x = 52,680.31 × 12,931.89
  4. Step 4: Simplify right side
    35,123.67x = 681,255,974.09
  5. Step 5: Solve for x
    x = 681,255,974.09/35,123.67
  6. Step 6: Final answer
    x = 19,395.92

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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.