Home / 52,108.95-71,910.04-29,455.28

Finding the Fourth Proportional to 52,108.95, 71,910.04 and 29,455.28

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Solution

The fourth proportional to 52,108.95, 71,910.04 and 29,455.28 is: 40,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,108.95 : 71,910.04 = 29,455.28 : x
  2. Step 2: Convert to fraction form
    52,108.95/71,910.04 = 29,455.28/x
  3. Step 3: Cross multiply
    52,108.95x = 71,910.04 × 29,455.28
  4. Step 4: Simplify right side
    52,108.95x = 2,118,130,363.01
  5. Step 5: Solve for x
    x = 2,118,130,363.01/52,108.95
  6. Step 6: Final answer
    x = 40,648.11

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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.