Home / 71,041.31-98,036.52-39,210.21

Finding the Fourth Proportional to 71,041.31, 98,036.52 and 39,210.21

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Solution

The fourth proportional to 71,041.31, 98,036.52 and 39,210.21 is: 54,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041.31 : 98,036.52 = 39,210.21 : x
  2. Step 2: Convert to fraction form
    71,041.31/98,036.52 = 39,210.21/x
  3. Step 3: Cross multiply
    71,041.31x = 98,036.52 × 39,210.21
  4. Step 4: Simplify right side
    71,041.31x = 3,844,032,536.87
  5. Step 5: Solve for x
    x = 3,844,032,536.87/71,041.31
  6. Step 6: Final answer
    x = 54,109.82

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1.5x scale

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.