Home / 39,613,101.48-54,602,915.40-31,226,796.18

Finding the Fourth Proportional to 39,613,101.48, 54,602,915.40 and 31,226,796.18

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Solution

The fourth proportional to 39,613,101.48, 54,602,915.40 and 31,226,796.18 is: 43,043,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613,101.48 : 54,602,915.40 = 31,226,796.18 : x
  2. Step 2: Convert to fraction form
    39,613,101.48/54,602,915.40 = 31,226,796.18/x
  3. Step 3: Cross multiply
    39,613,101.48x = 54,602,915.40 × 31,226,796.18
  4. Step 4: Simplify right side
    39,613,101.48x = 1,705,074,110,029,583
  5. Step 5: Solve for x
    x = 1,705,074,110,029,583/39,613,101.48
  6. Step 6: Final answer
    x = 43,043,186.38

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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.