Home / 30,510.93-42,083.37-28,001.14

Finding the Fourth Proportional to 30,510.93, 42,083.37 and 28,001.14

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Solution

The fourth proportional to 30,510.93, 42,083.37 and 28,001.14 is: 38,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510.93 : 42,083.37 = 28,001.14 : x
  2. Step 2: Convert to fraction form
    30,510.93/42,083.37 = 28,001.14/x
  3. Step 3: Cross multiply
    30,510.93x = 42,083.37 × 28,001.14
  4. Step 4: Simplify right side
    30,510.93x = 1,178,382,335.04
  5. Step 5: Solve for x
    x = 1,178,382,335.04/30,510.93
  6. Step 6: Final answer
    x = 38,621.65

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Double scale
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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.