Home / 42,601.96-63,903.10-13,019.68

Finding the Fourth Proportional to 42,601.96, 63,903.10 and 13,019.68

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Solution

The fourth proportional to 42,601.96, 63,903.10 and 13,019.68 is: 19,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601.96 : 63,903.10 = 13,019.68 : x
  2. Step 2: Convert to fraction form
    42,601.96/63,903.10 = 13,019.68/x
  3. Step 3: Cross multiply
    42,601.96x = 63,903.10 × 13,019.68
  4. Step 4: Simplify right side
    42,601.96x = 831,997,913.01
  5. Step 5: Solve for x
    x = 831,997,913.01/42,601.96
  6. Step 6: Final answer
    x = 19,529.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.