Home / 42,485.28-63,737.07-14,406.06

Finding the Fourth Proportional to 42,485.28, 63,737.07 and 14,406.06

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Solution

The fourth proportional to 42,485.28, 63,737.07 and 14,406.06 is: 21,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.28 : 63,737.07 = 14,406.06 : x
  2. Step 2: Convert to fraction form
    42,485.28/63,737.07 = 14,406.06/x
  3. Step 3: Cross multiply
    42,485.28x = 63,737.07 × 14,406.06
  4. Step 4: Simplify right side
    42,485.28x = 918,200,054.64
  5. Step 5: Solve for x
    x = 918,200,054.64/42,485.28
  6. Step 6: Final answer
    x = 21,612.19

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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.