Home / 35,420.30-48,878.26-19,501.78

Finding the Fourth Proportional to 35,420.30, 48,878.26 and 19,501.78

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Solution

The fourth proportional to 35,420.30, 48,878.26 and 19,501.78 is: 26,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.30 : 48,878.26 = 19,501.78 : x
  2. Step 2: Convert to fraction form
    35,420.30/48,878.26 = 19,501.78/x
  3. Step 3: Cross multiply
    35,420.30x = 48,878.26 × 19,501.78
  4. Step 4: Simplify right side
    35,420.30x = 953,212,828.91
  5. Step 5: Solve for x
    x = 953,212,828.91/35,420.30
  6. Step 6: Final answer
    x = 26,911.48

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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.