Home / 48,271.61-66,612.07-28,131.77

Finding the Fourth Proportional to 48,271.61, 66,612.07 and 28,131.77

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Solution

The fourth proportional to 48,271.61, 66,612.07 and 28,131.77 is: 38,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.61 : 66,612.07 = 28,131.77 : x
  2. Step 2: Convert to fraction form
    48,271.61/66,612.07 = 28,131.77/x
  3. Step 3: Cross multiply
    48,271.61x = 66,612.07 × 28,131.77
  4. Step 4: Simplify right side
    48,271.61x = 1,873,915,432.46
  5. Step 5: Solve for x
    x = 1,873,915,432.46/48,271.61
  6. Step 6: Final answer
    x = 38,820.24

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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.