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Finding the Fourth Proportional to 35,170.98, 48,535.64 and 19,038.21

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Solution

The fourth proportional to 35,170.98, 48,535.64 and 19,038.21 is: 26,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,170.98 : 48,535.64 = 19,038.21 : x
  2. Step 2: Convert to fraction form
    35,170.98/48,535.64 = 19,038.21/x
  3. Step 3: Cross multiply
    35,170.98x = 48,535.64 × 19,038.21
  4. Step 4: Simplify right side
    35,170.98x = 924,031,501.00
  5. Step 5: Solve for x
    x = 924,031,501.00/35,170.98
  6. Step 6: Final answer
    x = 26,272.56

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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.