Home / 45,856.09-63,312.29-28,654.57

Finding the Fourth Proportional to 45,856.09, 63,312.29 and 28,654.57

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Solution

The fourth proportional to 45,856.09, 63,312.29 and 28,654.57 is: 39,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,856.09 : 63,312.29 = 28,654.57 : x
  2. Step 2: Convert to fraction form
    45,856.09/63,312.29 = 28,654.57/x
  3. Step 3: Cross multiply
    45,856.09x = 63,312.29 × 28,654.57
  4. Step 4: Simplify right side
    45,856.09x = 1,814,186,445.67
  5. Step 5: Solve for x
    x = 1,814,186,445.67/45,856.09
  6. Step 6: Final answer
    x = 39,562.61

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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.