Home / 71,041.22-98,036.40-39,210.11

Finding the Fourth Proportional to 71,041.22, 98,036.40 and 39,210.11

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Solution

The fourth proportional to 71,041.22, 98,036.40 and 39,210.11 is: 54,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041.22 : 98,036.40 = 39,210.11 : x
  2. Step 2: Convert to fraction form
    71,041.22/98,036.40 = 39,210.11/x
  3. Step 3: Cross multiply
    71,041.22x = 98,036.40 × 39,210.11
  4. Step 4: Simplify right side
    71,041.22x = 3,844,017,537.82
  5. Step 5: Solve for x
    x = 3,844,017,537.82/71,041.22
  6. Step 6: Final answer
    x = 54,109.68

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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.