Home / 47,846.40-71,779.98-14,565.60

Finding the Fourth Proportional to 47,846.40, 71,779.98 and 14,565.60

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Solution

The fourth proportional to 47,846.40, 71,779.98 and 14,565.60 is: 21,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.40 : 71,779.98 = 14,565.60 : x
  2. Step 2: Convert to fraction form
    47,846.40/71,779.98 = 14,565.60/x
  3. Step 3: Cross multiply
    47,846.40x = 71,779.98 × 14,565.60
  4. Step 4: Simplify right side
    47,846.40x = 1,045,518,422.07
  5. Step 5: Solve for x
    x = 1,045,518,422.07/47,846.40
  6. Step 6: Final answer
    x = 21,851.56

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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.