Home / 30,355.76-41,888.40-16,925.96

Finding the Fourth Proportional to 30,355.76, 41,888.40 and 16,925.96

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Solution

The fourth proportional to 30,355.76, 41,888.40 and 16,925.96 is: 23,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.76 : 41,888.40 = 16,925.96 : x
  2. Step 2: Convert to fraction form
    30,355.76/41,888.40 = 16,925.96/x
  3. Step 3: Cross multiply
    30,355.76x = 41,888.40 × 16,925.96
  4. Step 4: Simplify right side
    30,355.76x = 709,001,382.86
  5. Step 5: Solve for x
    x = 709,001,382.86/30,355.76
  6. Step 6: Final answer
    x = 23,356.40

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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.