Home / 31,374.66-47,066.72-9,185.25

Finding the Fourth Proportional to 31,374.66, 47,066.72 and 9,185.25

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Solution

The fourth proportional to 31,374.66, 47,066.72 and 9,185.25 is: 13,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.66 : 47,066.72 = 9,185.25 : x
  2. Step 2: Convert to fraction form
    31,374.66/47,066.72 = 9,185.25/x
  3. Step 3: Cross multiply
    31,374.66x = 47,066.72 × 9,185.25
  4. Step 4: Simplify right side
    31,374.66x = 432,319,543.95
  5. Step 5: Solve for x
    x = 432,319,543.95/31,374.66
  6. Step 6: Final answer
    x = 13,779.26

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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.