Home / 42,316.52-63,427.26-20,111.72

Finding the Fourth Proportional to 42,316.52, 63,427.26 and 20,111.72

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Solution

The fourth proportional to 42,316.52, 63,427.26 and 20,111.72 is: 30,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,316.52 : 63,427.26 = 20,111.72 : x
  2. Step 2: Convert to fraction form
    42,316.52/63,427.26 = 20,111.72/x
  3. Step 3: Cross multiply
    42,316.52x = 63,427.26 × 20,111.72
  4. Step 4: Simplify right side
    42,316.52x = 1,275,631,293.49
  5. Step 5: Solve for x
    x = 1,275,631,293.49/42,316.52
  6. Step 6: Final answer
    x = 30,145.00

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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.