Home / 42,666.10-63,947.24-30,189.72

Finding the Fourth Proportional to 42,666.10, 63,947.24 and 30,189.72

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Solution

The fourth proportional to 42,666.10, 63,947.24 and 30,189.72 is: 45,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.10 : 63,947.24 = 30,189.72 : x
  2. Step 2: Convert to fraction form
    42,666.10/63,947.24 = 30,189.72/x
  3. Step 3: Cross multiply
    42,666.10x = 63,947.24 × 30,189.72
  4. Step 4: Simplify right side
    42,666.10x = 1,930,549,026.11
  5. Step 5: Solve for x
    x = 1,930,549,026.11/42,666.10
  6. Step 6: Final answer
    x = 45,247.84

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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.