Home / 45,798.18-63,165.96-30,686.02

Finding the Fourth Proportional to 45,798.18, 63,165.96 and 30,686.02

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Solution

The fourth proportional to 45,798.18, 63,165.96 and 30,686.02 is: 42,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.18 : 63,165.96 = 30,686.02 : x
  2. Step 2: Convert to fraction form
    45,798.18/63,165.96 = 30,686.02/x
  3. Step 3: Cross multiply
    45,798.18x = 63,165.96 × 30,686.02
  4. Step 4: Simplify right side
    45,798.18x = 1,938,311,911.88
  5. Step 5: Solve for x
    x = 1,938,311,911.88/45,798.18
  6. Step 6: Final answer
    x = 42,322.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.