Home / 41,130.87-61,686.73-13,045.66

Finding the Fourth Proportional to 41,130.87, 61,686.73 and 13,045.66

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Solution

The fourth proportional to 41,130.87, 61,686.73 and 13,045.66 is: 19,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130.87 : 61,686.73 = 13,045.66 : x
  2. Step 2: Convert to fraction form
    41,130.87/61,686.73 = 13,045.66/x
  3. Step 3: Cross multiply
    41,130.87x = 61,686.73 × 13,045.66
  4. Step 4: Simplify right side
    41,130.87x = 804,744,106.09
  5. Step 5: Solve for x
    x = 804,744,106.09/41,130.87
  6. Step 6: Final answer
    x = 19,565.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.