Home / 33,070.08-45,623.52-21,130.56

Finding the Fourth Proportional to 33,070.08, 45,623.52 and 21,130.56

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Solution

The fourth proportional to 33,070.08, 45,623.52 and 21,130.56 is: 29,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.08 : 45,623.52 = 21,130.56 : x
  2. Step 2: Convert to fraction form
    33,070.08/45,623.52 = 21,130.56/x
  3. Step 3: Cross multiply
    33,070.08x = 45,623.52 × 21,130.56
  4. Step 4: Simplify right side
    33,070.08x = 964,050,526.77
  5. Step 5: Solve for x
    x = 964,050,526.77/33,070.08
  6. Step 6: Final answer
    x = 29,151.74

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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.