Home / 53,442.08-80,152.18-18,384.47

Finding the Fourth Proportional to 53,442.08, 80,152.18 and 18,384.47

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Solution

The fourth proportional to 53,442.08, 80,152.18 and 18,384.47 is: 27,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,442.08 : 80,152.18 = 18,384.47 : x
  2. Step 2: Convert to fraction form
    53,442.08/80,152.18 = 18,384.47/x
  3. Step 3: Cross multiply
    53,442.08x = 80,152.18 × 18,384.47
  4. Step 4: Simplify right side
    53,442.08x = 1,473,554,901.92
  5. Step 5: Solve for x
    x = 1,473,554,901.92/53,442.08
  6. Step 6: Final answer
    x = 27,572.94

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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.