Home / 40,595.16-55,970.34-31,046.76

Finding the Fourth Proportional to 40,595.16, 55,970.34 and 31,046.76

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Solution

The fourth proportional to 40,595.16, 55,970.34 and 31,046.76 is: 42,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,595.16 : 55,970.34 = 31,046.76 : x
  2. Step 2: Convert to fraction form
    40,595.16/55,970.34 = 31,046.76/x
  3. Step 3: Cross multiply
    40,595.16x = 55,970.34 × 31,046.76
  4. Step 4: Simplify right side
    40,595.16x = 1,737,697,713.10
  5. Step 5: Solve for x
    x = 1,737,697,713.10/40,595.16
  6. Step 6: Final answer
    x = 42,805.54

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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.