Home / 39,348,520.90-59,022,781.35-31,128,900.10

Finding the Fourth Proportional to 39,348,520.90, 59,022,781.35 and 31,128,900.10

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Solution

The fourth proportional to 39,348,520.90, 59,022,781.35 and 31,128,900.10 is: 46,693,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348,520.90 : 59,022,781.35 = 31,128,900.10 : x
  2. Step 2: Convert to fraction form
    39,348,520.90/59,022,781.35 = 31,128,900.10/x
  3. Step 3: Cross multiply
    39,348,520.90x = 59,022,781.35 × 31,128,900.10
  4. Step 4: Simplify right side
    39,348,520.90x = 1,837,314,264,268,293.25
  5. Step 5: Solve for x
    x = 1,837,314,264,268,293.25/39,348,520.90
  6. Step 6: Final answer
    x = 46,693,350.15

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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.