Home / 32,031.29-48,047.10-21,007.78

Finding the Fourth Proportional to 32,031.29, 48,047.10 and 21,007.78

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Solution

The fourth proportional to 32,031.29, 48,047.10 and 21,007.78 is: 31,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,031.29 : 48,047.10 = 21,007.78 : x
  2. Step 2: Convert to fraction form
    32,031.29/48,047.10 = 21,007.78/x
  3. Step 3: Cross multiply
    32,031.29x = 48,047.10 × 21,007.78
  4. Step 4: Simplify right side
    32,031.29x = 1,009,363,079.08
  5. Step 5: Solve for x
    x = 1,009,363,079.08/32,031.29
  6. Step 6: Final answer
    x = 31,511.79

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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.