Home / 42,036.56-63,038.44-18,351.35

Finding the Fourth Proportional to 42,036.56, 63,038.44 and 18,351.35

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Solution

The fourth proportional to 42,036.56, 63,038.44 and 18,351.35 is: 27,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.56 : 63,038.44 = 18,351.35 : x
  2. Step 2: Convert to fraction form
    42,036.56/63,038.44 = 18,351.35/x
  3. Step 3: Cross multiply
    42,036.56x = 63,038.44 × 18,351.35
  4. Step 4: Simplify right side
    42,036.56x = 1,156,840,316.81
  5. Step 5: Solve for x
    x = 1,156,840,316.81/42,036.56
  6. Step 6: Final answer
    x = 27,519.86

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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.