Home / 60,628.74-90,969.57-21,214.14

Finding the Fourth Proportional to 60,628.74, 90,969.57 and 21,214.14

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Solution

The fourth proportional to 60,628.74, 90,969.57 and 21,214.14 is: 31,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,628.74 : 90,969.57 = 21,214.14 : x
  2. Step 2: Convert to fraction form
    60,628.74/90,969.57 = 21,214.14/x
  3. Step 3: Cross multiply
    60,628.74x = 90,969.57 × 21,214.14
  4. Step 4: Simplify right side
    60,628.74x = 1,929,841,193.72
  5. Step 5: Solve for x
    x = 1,929,841,193.72/60,628.74
  6. Step 6: Final answer
    x = 31,830.47

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1.5x scale

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.