Home / 35,314.05-48,712.98-21,158.67

Finding the Fourth Proportional to 35,314.05, 48,712.98 and 21,158.67

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Solution

The fourth proportional to 35,314.05, 48,712.98 and 21,158.67 is: 29,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,314.05 : 48,712.98 = 21,158.67 : x
  2. Step 2: Convert to fraction form
    35,314.05/48,712.98 = 21,158.67/x
  3. Step 3: Cross multiply
    35,314.05x = 48,712.98 × 21,158.67
  4. Step 4: Simplify right side
    35,314.05x = 1,030,701,868.54
  5. Step 5: Solve for x
    x = 1,030,701,868.54/35,314.05
  6. Step 6: Final answer
    x = 29,186.74

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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.