Home / 39,020,156.04-53,847,817.80-21,379,133.64

Finding the Fourth Proportional to 39,020,156.04, 53,847,817.80 and 21,379,133.64

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Solution

The fourth proportional to 39,020,156.04, 53,847,817.80 and 21,379,133.64 is: 29,503,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,156.04 : 53,847,817.80 = 21,379,133.64 : x
  2. Step 2: Convert to fraction form
    39,020,156.04/53,847,817.80 = 21,379,133.64/x
  3. Step 3: Cross multiply
    39,020,156.04x = 53,847,817.80 × 21,379,133.64
  4. Step 4: Simplify right side
    39,020,156.04x = 1,151,219,692,968,570.75
  5. Step 5: Solve for x
    x = 1,151,219,692,968,570.75/39,020,156.04
  6. Step 6: Final answer
    x = 29,503,205.77

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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.