Home / 47,641.30-65,742.74-26,420.11

Finding the Fourth Proportional to 47,641.30, 65,742.74 and 26,420.11

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Solution

The fourth proportional to 47,641.30, 65,742.74 and 26,420.11 is: 36,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.30 : 65,742.74 = 26,420.11 : x
  2. Step 2: Convert to fraction form
    47,641.30/65,742.74 = 26,420.11/x
  3. Step 3: Cross multiply
    47,641.30x = 65,742.74 × 26,420.11
  4. Step 4: Simplify right side
    47,641.30x = 1,736,930,225.12
  5. Step 5: Solve for x
    x = 1,736,930,225.12/47,641.30
  6. Step 6: Final answer
    x = 36,458.50

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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.