Home / 35,618,979.39-49,154,373.54-20,148,731.88

Finding the Fourth Proportional to 35,618,979.39, 49,154,373.54 and 20,148,731.88

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Solution

The fourth proportional to 35,618,979.39, 49,154,373.54 and 20,148,731.88 is: 27,805,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618,979.39 : 49,154,373.54 = 20,148,731.88 : x
  2. Step 2: Convert to fraction form
    35,618,979.39/49,154,373.54 = 20,148,731.88/x
  3. Step 3: Cross multiply
    35,618,979.39x = 49,154,373.54 × 20,148,731.88
  4. Step 4: Simplify right side
    35,618,979.39x = 990,398,293,186,826.38
  5. Step 5: Solve for x
    x = 990,398,293,186,826.38/35,618,979.39
  6. Step 6: Final answer
    x = 27,805,352.94

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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.