Home / 42,326.08-63,501.54-18,947.32

Finding the Fourth Proportional to 42,326.08, 63,501.54 and 18,947.32

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Solution

The fourth proportional to 42,326.08, 63,501.54 and 18,947.32 is: 28,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,326.08 : 63,501.54 = 18,947.32 : x
  2. Step 2: Convert to fraction form
    42,326.08/63,501.54 = 18,947.32/x
  3. Step 3: Cross multiply
    42,326.08x = 63,501.54 × 18,947.32
  4. Step 4: Simplify right side
    42,326.08x = 1,203,183,998.87
  5. Step 5: Solve for x
    x = 1,203,183,998.87/42,326.08
  6. Step 6: Final answer
    x = 28,426.54

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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.