Home / 39,029,931.28-53,861,252.34-21,627,403.48

Finding the Fourth Proportional to 39,029,931.28, 53,861,252.34 and 21,627,403.48

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Solution

The fourth proportional to 39,029,931.28, 53,861,252.34 and 21,627,403.48 is: 29,845,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,931.28 : 53,861,252.34 = 21,627,403.48 : x
  2. Step 2: Convert to fraction form
    39,029,931.28/53,861,252.34 = 21,627,403.48/x
  3. Step 3: Cross multiply
    39,029,931.28x = 53,861,252.34 × 21,627,403.48
  4. Step 4: Simplify right side
    39,029,931.28x = 1,164,879,036,295,274.25
  5. Step 5: Solve for x
    x = 1,164,879,036,295,274.25/39,029,931.28
  6. Step 6: Final answer
    x = 29,845,787.53

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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.