Home / 39,348,528.40-59,022,792.60-31,128,907.60

Finding the Fourth Proportional to 39,348,528.40, 59,022,792.60 and 31,128,907.60

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Solution

The fourth proportional to 39,348,528.40, 59,022,792.60 and 31,128,907.60 is: 46,693,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348,528.40 : 59,022,792.60 = 31,128,907.60 : x
  2. Step 2: Convert to fraction form
    39,348,528.40/59,022,792.60 = 31,128,907.60/x
  3. Step 3: Cross multiply
    39,348,528.40x = 59,022,792.60 × 31,128,907.60
  4. Step 4: Simplify right side
    39,348,528.40x = 1,837,315,057,139,364
  5. Step 5: Solve for x
    x = 1,837,315,057,139,364/39,348,528.40
  6. Step 6: Final answer
    x = 46,693,361.40

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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.