Home / 64,011.16-96,031.68-21,891.57

Finding the Fourth Proportional to 64,011.16, 96,031.68 and 21,891.57

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Solution

The fourth proportional to 64,011.16, 96,031.68 and 21,891.57 is: 32,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,011.16 : 96,031.68 = 21,891.57 : x
  2. Step 2: Convert to fraction form
    64,011.16/96,031.68 = 21,891.57/x
  3. Step 3: Cross multiply
    64,011.16x = 96,031.68 × 21,891.57
  4. Step 4: Simplify right side
    64,011.16x = 2,102,283,802.73
  5. Step 5: Solve for x
    x = 2,102,283,802.73/64,011.16
  6. Step 6: Final answer
    x = 32,842.46

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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.