Home / 34,657.86-47,827.86-18,742.32

Finding the Fourth Proportional to 34,657.86, 47,827.86 and 18,742.32

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Solution

The fourth proportional to 34,657.86, 47,827.86 and 18,742.32 is: 25,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.86 : 47,827.86 = 18,742.32 : x
  2. Step 2: Convert to fraction form
    34,657.86/47,827.86 = 18,742.32/x
  3. Step 3: Cross multiply
    34,657.86x = 47,827.86 × 18,742.32
  4. Step 4: Simplify right side
    34,657.86x = 896,405,057.04
  5. Step 5: Solve for x
    x = 896,405,057.04/34,657.86
  6. Step 6: Final answer
    x = 25,864.41

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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.