Home / 34,688.69-47,870.72-18,773.48

Finding the Fourth Proportional to 34,688.69, 47,870.72 and 18,773.48

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Solution

The fourth proportional to 34,688.69, 47,870.72 and 18,773.48 is: 25,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.69 : 47,870.72 = 18,773.48 : x
  2. Step 2: Convert to fraction form
    34,688.69/47,870.72 = 18,773.48/x
  3. Step 3: Cross multiply
    34,688.69x = 47,870.72 × 18,773.48
  4. Step 4: Simplify right side
    34,688.69x = 898,699,671.28
  5. Step 5: Solve for x
    x = 898,699,671.28/34,688.69
  6. Step 6: Final answer
    x = 25,907.57

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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.