Home / 34,688.81-47,870.71-18,773.27

Finding the Fourth Proportional to 34,688.81, 47,870.71 and 18,773.27

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Solution

The fourth proportional to 34,688.81, 47,870.71 and 18,773.27 is: 25,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.81 : 47,870.71 = 18,773.27 : x
  2. Step 2: Convert to fraction form
    34,688.81/47,870.71 = 18,773.27/x
  3. Step 3: Cross multiply
    34,688.81x = 47,870.71 × 18,773.27
  4. Step 4: Simplify right side
    34,688.81x = 898,689,524.57
  5. Step 5: Solve for x
    x = 898,689,524.57/34,688.81
  6. Step 6: Final answer
    x = 25,907.19

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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.