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Finding the Fourth Proportional to 61,741.65, 85,203.51 and 33,447.34

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Solution

The fourth proportional to 61,741.65, 85,203.51 and 33,447.34 is: 46,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,741.65 : 85,203.51 = 33,447.34 : x
  2. Step 2: Convert to fraction form
    61,741.65/85,203.51 = 33,447.34/x
  3. Step 3: Cross multiply
    61,741.65x = 85,203.51 × 33,447.34
  4. Step 4: Simplify right side
    61,741.65x = 2,849,830,768.16
  5. Step 5: Solve for x
    x = 2,849,830,768.16/61,741.65
  6. Step 6: Final answer
    x = 46,157.35

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1.5x scale

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.