Home / 35,478.90-48,960.24-19,346.40

Finding the Fourth Proportional to 35,478.90, 48,960.24 and 19,346.40

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Solution

The fourth proportional to 35,478.90, 48,960.24 and 19,346.40 is: 26,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.90 : 48,960.24 = 19,346.40 : x
  2. Step 2: Convert to fraction form
    35,478.90/48,960.24 = 19,346.40/x
  3. Step 3: Cross multiply
    35,478.90x = 48,960.24 × 19,346.40
  4. Step 4: Simplify right side
    35,478.90x = 947,204,387.14
  5. Step 5: Solve for x
    x = 947,204,387.14/35,478.90
  6. Step 6: Final answer
    x = 26,697.68

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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.