Home / 46,981.41-64,832.31-28,128.93

Finding the Fourth Proportional to 46,981.41, 64,832.31 and 28,128.93

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Solution

The fourth proportional to 46,981.41, 64,832.31 and 28,128.93 is: 38,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,981.41 : 64,832.31 = 28,128.93 : x
  2. Step 2: Convert to fraction form
    46,981.41/64,832.31 = 28,128.93/x
  3. Step 3: Cross multiply
    46,981.41x = 64,832.31 × 28,128.93
  4. Step 4: Simplify right side
    46,981.41x = 1,823,663,509.73
  5. Step 5: Solve for x
    x = 1,823,663,509.73/46,981.41
  6. Step 6: Final answer
    x = 38,816.70

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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.