Home / 29,315.52-40,423.86-28,700.46

Finding the Fourth Proportional to 29,315.52, 40,423.86 and 28,700.46

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Solution

The fourth proportional to 29,315.52, 40,423.86 and 28,700.46 is: 39,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.52 : 40,423.86 = 28,700.46 : x
  2. Step 2: Convert to fraction form
    29,315.52/40,423.86 = 28,700.46/x
  3. Step 3: Cross multiply
    29,315.52x = 40,423.86 × 28,700.46
  4. Step 4: Simplify right side
    29,315.52x = 1,160,183,376.98
  5. Step 5: Solve for x
    x = 1,160,183,376.98/29,315.52
  6. Step 6: Final answer
    x = 39,575.74

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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.