Home / 39,359,318.60-59,056,029.30-21,142,259.30

Finding the Fourth Proportional to 39,359,318.60, 59,056,029.30 and 21,142,259.30

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Solution

The fourth proportional to 39,359,318.60, 59,056,029.30 and 21,142,259.30 is: 31,722,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359,318.60 : 59,056,029.30 = 21,142,259.30 : x
  2. Step 2: Convert to fraction form
    39,359,318.60/59,056,029.30 = 21,142,259.30/x
  3. Step 3: Cross multiply
    39,359,318.60x = 59,056,029.30 × 21,142,259.30
  4. Step 4: Simplify right side
    39,359,318.60x = 1,248,577,884,688,997.50
  5. Step 5: Solve for x
    x = 1,248,577,884,688,997.50/39,359,318.60
  6. Step 6: Final answer
    x = 31,722,548.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.