Home / 39,020,314.84-53,851,341.23-21,622,117.48

Finding the Fourth Proportional to 39,020,314.84, 53,851,341.23 and 21,622,117.48

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Solution

The fourth proportional to 39,020,314.84, 53,851,341.23 and 21,622,117.48 is: 29,840,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,314.84 : 53,851,341.23 = 21,622,117.48 : x
  2. Step 2: Convert to fraction form
    39,020,314.84/53,851,341.23 = 21,622,117.48/x
  3. Step 3: Cross multiply
    39,020,314.84x = 53,851,341.23 × 21,622,117.48
  4. Step 4: Simplify right side
    39,020,314.84x = 1,164,380,026,530,627.75
  5. Step 5: Solve for x
    x = 1,164,380,026,530,627.75/39,020,314.84
  6. Step 6: Final answer
    x = 29,840,354.47

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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.