Home / 42,126.26-63,168.26-14,036.45

Finding the Fourth Proportional to 42,126.26, 63,168.26 and 14,036.45

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Solution

The fourth proportional to 42,126.26, 63,168.26 and 14,036.45 is: 21,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.26 : 63,168.26 = 14,036.45 : x
  2. Step 2: Convert to fraction form
    42,126.26/63,168.26 = 14,036.45/x
  3. Step 3: Cross multiply
    42,126.26x = 63,168.26 × 14,036.45
  4. Step 4: Simplify right side
    42,126.26x = 886,657,737.05
  5. Step 5: Solve for x
    x = 886,657,737.05/42,126.26
  6. Step 6: Final answer
    x = 21,047.63

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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.