Home / 35,345.63-48,726.77-28,112.12

Finding the Fourth Proportional to 35,345.63, 48,726.77 and 28,112.12

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Solution

The fourth proportional to 35,345.63, 48,726.77 and 28,112.12 is: 38,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.63 : 48,726.77 = 28,112.12 : x
  2. Step 2: Convert to fraction form
    35,345.63/48,726.77 = 28,112.12/x
  3. Step 3: Cross multiply
    35,345.63x = 48,726.77 × 28,112.12
  4. Step 4: Simplify right side
    35,345.63x = 1,369,813,088.91
  5. Step 5: Solve for x
    x = 1,369,813,088.91/35,345.63
  6. Step 6: Final answer
    x = 38,754.81

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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.