Home / 42,602.32-63,903.48-13,018.56

Finding the Fourth Proportional to 42,602.32, 63,903.48 and 13,018.56

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Solution

The fourth proportional to 42,602.32, 63,903.48 and 13,018.56 is: 19,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.32 : 63,903.48 = 13,018.56 : x
  2. Step 2: Convert to fraction form
    42,602.32/63,903.48 = 13,018.56/x
  3. Step 3: Cross multiply
    42,602.32x = 63,903.48 × 13,018.56
  4. Step 4: Simplify right side
    42,602.32x = 831,931,288.59
  5. Step 5: Solve for x
    x = 831,931,288.59/42,602.32
  6. Step 6: Final answer
    x = 19,527.84

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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.