Home / 30,925.23-42,677.01-16,778.07

Finding the Fourth Proportional to 30,925.23, 42,677.01 and 16,778.07

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Solution

The fourth proportional to 30,925.23, 42,677.01 and 16,778.07 is: 23,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.23 : 42,677.01 = 16,778.07 : x
  2. Step 2: Convert to fraction form
    30,925.23/42,677.01 = 16,778.07/x
  3. Step 3: Cross multiply
    30,925.23x = 42,677.01 × 16,778.07
  4. Step 4: Simplify right side
    30,925.23x = 716,037,861.17
  5. Step 5: Solve for x
    x = 716,037,861.17/30,925.23
  6. Step 6: Final answer
    x = 23,153.84

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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.