Home / 61,622.13-85,090.40-39,001.04

Finding the Fourth Proportional to 61,622.13, 85,090.40 and 39,001.04

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Solution

The fourth proportional to 61,622.13, 85,090.40 and 39,001.04 is: 53,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.13 : 85,090.40 = 39,001.04 : x
  2. Step 2: Convert to fraction form
    61,622.13/85,090.40 = 39,001.04/x
  3. Step 3: Cross multiply
    61,622.13x = 85,090.40 × 39,001.04
  4. Step 4: Simplify right side
    61,622.13x = 3,318,613,938.90
  5. Step 5: Solve for x
    x = 3,318,613,938.90/61,622.13
  6. Step 6: Final answer
    x = 53,854.25

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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.