Home / 38,968,030.40-58,452,045.60-21,052,126.40

Finding the Fourth Proportional to 38,968,030.40, 58,452,045.60 and 21,052,126.40

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Solution

The fourth proportional to 38,968,030.40, 58,452,045.60 and 21,052,126.40 is: 31,578,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968,030.40 : 58,452,045.60 = 21,052,126.40 : x
  2. Step 2: Convert to fraction form
    38,968,030.40/58,452,045.60 = 21,052,126.40/x
  3. Step 3: Cross multiply
    38,968,030.40x = 58,452,045.60 × 21,052,126.40
  4. Step 4: Simplify right side
    38,968,030.40x = 1,230,539,852,309,763.75
  5. Step 5: Solve for x
    x = 1,230,539,852,309,763.75/38,968,030.40
  6. Step 6: Final answer
    x = 31,578,189.60

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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.