Home / 71,368.02-98,486.55-39,536.22

Finding the Fourth Proportional to 71,368.02, 98,486.55 and 39,536.22

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Solution

The fourth proportional to 71,368.02, 98,486.55 and 39,536.22 is: 54,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368.02 : 98,486.55 = 39,536.22 : x
  2. Step 2: Convert to fraction form
    71,368.02/98,486.55 = 39,536.22/x
  3. Step 3: Cross multiply
    71,368.02x = 98,486.55 × 39,536.22
  4. Step 4: Simplify right side
    71,368.02x = 3,893,785,907.84
  5. Step 5: Solve for x
    x = 3,893,785,907.84/71,368.02
  6. Step 6: Final answer
    x = 54,559.25

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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.