Home / 71,214.84-98,271.63-39,383.46

Finding the Fourth Proportional to 71,214.84, 98,271.63 and 39,383.46

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Solution

The fourth proportional to 71,214.84, 98,271.63 and 39,383.46 is: 54,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,214.84 : 98,271.63 = 39,383.46 : x
  2. Step 2: Convert to fraction form
    71,214.84/98,271.63 = 39,383.46/x
  3. Step 3: Cross multiply
    71,214.84x = 98,271.63 × 39,383.46
  4. Step 4: Simplify right side
    71,214.84x = 3,870,276,809.24
  5. Step 5: Solve for x
    x = 3,870,276,809.24/71,214.84
  6. Step 6: Final answer
    x = 54,346.49

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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.