Home / 53,211.68-73,428.56-29,336.80

Finding the Fourth Proportional to 53,211.68, 73,428.56 and 29,336.80

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Solution

The fourth proportional to 53,211.68, 73,428.56 and 29,336.80 is: 40,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.68 : 73,428.56 = 29,336.80 : x
  2. Step 2: Convert to fraction form
    53,211.68/73,428.56 = 29,336.80/x
  3. Step 3: Cross multiply
    53,211.68x = 73,428.56 × 29,336.80
  4. Step 4: Simplify right side
    53,211.68x = 2,154,158,979.01
  5. Step 5: Solve for x
    x = 2,154,158,979.01/53,211.68
  6. Step 6: Final answer
    x = 40,482.82

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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.