Home / 30,908,079.48-42,651,014.76-17,155,961.04

Finding the Fourth Proportional to 30,908,079.48, 42,651,014.76 and 17,155,961.04

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Solution

The fourth proportional to 30,908,079.48, 42,651,014.76 and 17,155,961.04 is: 23,674,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,079.48 : 42,651,014.76 = 17,155,961.04 : x
  2. Step 2: Convert to fraction form
    30,908,079.48/42,651,014.76 = 17,155,961.04/x
  3. Step 3: Cross multiply
    30,908,079.48x = 42,651,014.76 × 17,155,961.04
  4. Step 4: Simplify right side
    30,908,079.48x = 731,719,147,539,024.88
  5. Step 5: Solve for x
    x = 731,719,147,539,024.88/30,908,079.48
  6. Step 6: Final answer
    x = 23,674,041.22

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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.