Home / 34,875.86-48,128.58-18,960.17

Finding the Fourth Proportional to 34,875.86, 48,128.58 and 18,960.17

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Solution

The fourth proportional to 34,875.86, 48,128.58 and 18,960.17 is: 26,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,875.86 : 48,128.58 = 18,960.17 : x
  2. Step 2: Convert to fraction form
    34,875.86/48,128.58 = 18,960.17/x
  3. Step 3: Cross multiply
    34,875.86x = 48,128.58 × 18,960.17
  4. Step 4: Simplify right side
    34,875.86x = 912,525,818.02
  5. Step 5: Solve for x
    x = 912,525,818.02/34,875.86
  6. Step 6: Final answer
    x = 26,164.97

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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.