Home / 35,345.30-48,774.96-19,428.80

Finding the Fourth Proportional to 35,345.30, 48,774.96 and 19,428.80

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Solution

The fourth proportional to 35,345.30, 48,774.96 and 19,428.80 is: 26,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.30 : 48,774.96 = 19,428.80 : x
  2. Step 2: Convert to fraction form
    35,345.30/48,774.96 = 19,428.80/x
  3. Step 3: Cross multiply
    35,345.30x = 48,774.96 × 19,428.80
  4. Step 4: Simplify right side
    35,345.30x = 947,638,942.85
  5. Step 5: Solve for x
    x = 947,638,942.85/35,345.30
  6. Step 6: Final answer
    x = 26,810.89

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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.