Home / 45,741.76-63,113.28-28,965.12

Finding the Fourth Proportional to 45,741.76, 63,113.28 and 28,965.12

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Solution

The fourth proportional to 45,741.76, 63,113.28 and 28,965.12 is: 39,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.76 : 63,113.28 = 28,965.12 : x
  2. Step 2: Convert to fraction form
    45,741.76/63,113.28 = 28,965.12/x
  3. Step 3: Cross multiply
    45,741.76x = 63,113.28 × 28,965.12
  4. Step 4: Simplify right side
    45,741.76x = 1,828,083,728.79
  5. Step 5: Solve for x
    x = 1,828,083,728.79/45,741.76
  6. Step 6: Final answer
    x = 39,965.31

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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.