Home / 35,312.79-48,732.50-19,180.70

Finding the Fourth Proportional to 35,312.79, 48,732.50 and 19,180.70

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Solution

The fourth proportional to 35,312.79, 48,732.50 and 19,180.70 is: 26,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,312.79 : 48,732.50 = 19,180.70 : x
  2. Step 2: Convert to fraction form
    35,312.79/48,732.50 = 19,180.70/x
  3. Step 3: Cross multiply
    35,312.79x = 48,732.50 × 19,180.70
  4. Step 4: Simplify right side
    35,312.79x = 934,723,449.79
  5. Step 5: Solve for x
    x = 934,723,449.79/35,312.79
  6. Step 6: Final answer
    x = 26,469.82

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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.