Home / 35,424.75-48,885.62-19,509.20

Finding the Fourth Proportional to 35,424.75, 48,885.62 and 19,509.20

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Solution

The fourth proportional to 35,424.75, 48,885.62 and 19,509.20 is: 26,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.75 : 48,885.62 = 19,509.20 : x
  2. Step 2: Convert to fraction form
    35,424.75/48,885.62 = 19,509.20/x
  3. Step 3: Cross multiply
    35,424.75x = 48,885.62 × 19,509.20
  4. Step 4: Simplify right side
    35,424.75x = 953,719,337.70
  5. Step 5: Solve for x
    x = 953,719,337.70/35,424.75
  6. Step 6: Final answer
    x = 26,922.40

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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.