Home / 34,688.96-47,870.77-18,773.42

Finding the Fourth Proportional to 34,688.96, 47,870.77 and 18,773.42

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Solution

The fourth proportional to 34,688.96, 47,870.77 and 18,773.42 is: 25,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.96 : 47,870.77 = 18,773.42 : x
  2. Step 2: Convert to fraction form
    34,688.96/47,870.77 = 18,773.42/x
  3. Step 3: Cross multiply
    34,688.96x = 47,870.77 × 18,773.42
  4. Step 4: Simplify right side
    34,688.96x = 898,698,070.93
  5. Step 5: Solve for x
    x = 898,698,070.93/34,688.96
  6. Step 6: Final answer
    x = 25,907.32

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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.